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145355215054 = 2710382515361
BaseRepresentation
bin1000011101011111011…
…0001001000011001110
3111220012001110222202111
42013113312021003032
54340141413340204
6150435242414234
713334015641120
oct2072766110316
9456161428674
10145355215054
1156710258505
122420720137a
13109261b16ba
14706c957210
153baae41d04
hex21d7d890ce

145355215054 has 8 divisors (see below), whose sum is σ = 249180368688. Its totient is φ = 62295092160.

The previous prime is 145355215043. The next prime is 145355215069. The reversal of 145355215054 is 450512553541.

145355215054 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×1453552150542 (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 145355214998 and 145355215016.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5191257667 + ... + 5191257694.

It is an arithmetic number, because the mean of its divisors is an integer number (31147546086).

Almost surely, 2145355215054 is an apocalyptic number.

145355215054 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

145355215054 is a deficient number, since it is larger than the sum of its proper divisors (103825153634).

145355215054 is a wasteful number, since it uses less digits than its factorization.

145355215054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10382515370.

The product of its (nonzero) digits is 300000, while the sum is 40.

Adding to 145355215054 its reverse (450512553541), we get a palindrome (595867768595).

The spelling of 145355215054 in words is "one hundred forty-five billion, three hundred fifty-five million, two hundred fifteen thousand, fifty-four".

Divisors: 1 2 7 14 10382515361 20765030722 72677607527 145355215054