156530941 has 12 divisors (see below), whose sum is σ = 185075580. Its totient is φ = 131967360.

The previous prime is 156530923. The next prime is 156530977. The reversal of 156530941 is 149035651.

It can be written as a sum of positive squares in 2 ways, for example, as 49491225 + 107039716 = 7035^2 + 10346^2 .

It is not a de Polignac number, because 156530941 - 2⁵ = 156530909 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 156530897 and 156530906.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (156530981) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 23196 + ... + 29173.

It is an arithmetic number, because the mean of its divisors is an integer number (15422965).

Almost surely, 2^156530941 is an apocalyptic number.

It is an amenable number.

156530941 is a deficient number, since it is larger than the sum of its proper divisors (28544639).

156530941 is an equidigital number, since it uses as much as digits as its factorization.

156530941 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52444 (or 52437 counting only the distinct ones).

The product of its (nonzero) digits is 16200, while the sum is 34.

The square root of 156530941 is about 12511.2325931540. The cubic root of 156530941 is about 538.9312893804.

The spelling of 156530941 in words is "one hundred fifty-six million, five hundred thirty thousand, nine hundred forty-one".