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145722411 = 32232692617
BaseRepresentation
bin10001010111110…
…00110000101011
3101011012110120100
420223320300223
5244301104121
622243200443
73416422452
oct1053706053
9334173510
10145722411
117529044a
1240976123
1324261ba3
14154d3b99
15cbd7026
hex8af8c2b

145722411 has 24 divisors (see below), whose sum is σ = 220540320. Its totient is φ = 92543616.

The previous prime is 145722407. The next prime is 145722431. The reversal of 145722411 is 114227541.

145722411 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 145722411 - 22 = 145722407 is a prime.

It is not an unprimeable number, because it can be changed into a prime (145722431) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 54375 + ... + 56991.

It is an arithmetic number, because the mean of its divisors is an integer number (9189180).

Almost surely, 2145722411 is an apocalyptic number.

145722411 is a deficient number, since it is larger than the sum of its proper divisors (74817909).

145722411 is a wasteful number, since it uses less digits than its factorization.

145722411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2915 (or 2912 counting only the distinct ones).

The product of its digits is 2240, while the sum is 27.

The square root of 145722411 is about 12071.5537939405. The cubic root of 145722411 is about 526.2298135087.

Adding to 145722411 its reverse (114227541), we get a palindrome (259949952).

The spelling of 145722411 in words is "one hundred forty-five million, seven hundred twenty-two thousand, four hundred eleven".

Divisors: 1 3 9 23 69 207 269 807 2421 2617 6187 7851 18561 23553 55683 60191 180573 541719 703973 2111919 6335757 16191379 48574137 145722411