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145353142532444 = 22711242902344313
BaseRepresentation
bin100001000011001010101010…
…011011010111100101011100
3201001122121212102100001110212
4201003022222123113211130
5123022431213442014234
61233050151205351552
742421263242040530
oct4103125233274534
9631577772301425
10145353142532444
114234aa1567a200
12143764b54085b8
136314986440722
1427c71b5a11bc0
1511c0e7eaac5ce
hex8432aa6d795c

145353142532444 has 36 divisors (see below), whose sum is σ = 319536660450672. Its totient is φ = 56631094491840.

The previous prime is 145353142532443. The next prime is 145353142532483. The reversal of 145353142532444 is 444235241353541.

It is a happy number.

It is a super-2 number, since 2×1453531425324442 (a number of 29 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (50) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 145353142532392 and 145353142532401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145353142532443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21451168769 + ... + 21451175544.

It is an arithmetic number, because the mean of its divisors is an integer number (8876018345852).

Almost surely, 2145353142532444 is an apocalyptic number.

145353142532444 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

145353142532444 is an abundant number, since it is smaller than the sum of its proper divisors (174183517918228).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

145353142532444 is a wasteful number, since it uses less digits than its factorization.

145353142532444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42902344346 (or 42902344333 counting only the distinct ones).

The product of its digits is 13824000, while the sum is 50.

Adding to 145353142532444 its reverse (444235241353541), we get a palindrome (589588383885985).

The spelling of 145353142532444 in words is "one hundred forty-five trillion, three hundred fifty-three billion, one hundred forty-two million, five hundred thirty-two thousand, four hundred forty-four".

Divisors: 1 2 4 7 11 14 22 28 44 77 121 154 242 308 484 847 1694 3388 42902344313 85804688626 171609377252 300316410191 471925787443 600632820382 943851574886 1201265640764 1887703149772 3303480512101 5191183661873 6606961024202 10382367323746 13213922048404 20764734647492 36338285633111 72676571266222 145353142532444