155264531 has 8 divisors (see below), whose sum is σ = 157489920. Its totient is φ = 153047752.

The previous prime is 155264489. The next prime is 155264533. The reversal of 155264531 is 135462551.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-155264531 is a prime.

It is a super-2 number, since 2×155264531² = 48214149173299922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (155264533) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39890 + ... + 43608.

It is an arithmetic number, because the mean of its divisors is an integer number (19686240).

Almost surely, 2^155264531 is an apocalyptic number.

155264531 is a deficient number, since it is larger than the sum of its proper divisors (2225389).

155264531 is an equidigital number, since it uses as much as digits as its factorization.

155264531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4305.

The product of its digits is 18000, while the sum is 32.

The square root of 155264531 is about 12460.5188896771. The cubic root of 155264531 is about 537.4739483317.

The spelling of 155264531 in words is "one hundred fifty-five million, two hundred sixty-four thousand, five hundred thirty-one".