156240332 has 6 divisors (see below), whose sum is σ = 273420588. Its totient is φ = 78120164.

The previous prime is 156240317. The next prime is 156240349. The reversal of 156240332 is 233042651.

It is a super-2 number, since 2×156240332² = 48822082686940448, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19530038 + ... + 19530045.

It is an arithmetic number, because the mean of its divisors is an integer number (45570098).

Almost surely, 2^156240332 is an apocalyptic number.

It is an amenable number.

156240332 is a deficient number, since it is larger than the sum of its proper divisors (117180256).

156240332 is a wasteful number, since it uses less digits than its factorization.

156240332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39060087 (or 39060085 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 26.

The square root of 156240332 is about 12499.6132740177. The cubic root of 156240332 is about 538.5975634391.

Adding to 156240332 its reverse (233042651), we get a palindrome (389282983).

The spelling of 156240332 in words is "one hundred fifty-six million, two hundred forty thousand, three hundred thirty-two".