156235442 has 32 divisors (see below), whose sum is σ = 271425600. Its totient is φ = 67256640.

The previous prime is 156235427. The next prime is 156235459. The reversal of 156235442 is 244532651.

It is a junction number, because it is equal to n+sod(n) for n = 156235399 and 156235408.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49034 + ... + 52122.

It is an arithmetic number, because the mean of its divisors is an integer number (8482050).

Almost surely, 2^156235442 is an apocalyptic number.

156235442 is a deficient number, since it is larger than the sum of its proper divisors (115190158).

156235442 is a wasteful number, since it uses less digits than its factorization.

156235442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3143 (or 3121 counting only the distinct ones).

The product of its digits is 28800, while the sum is 32.

The square root of 156235442 is about 12499.4176664355. The cubic root of 156235442 is about 538.5919443830.

The spelling of 156235442 in words is "one hundred fifty-six million, two hundred thirty-five thousand, four hundred forty-two".