156386942 has 4 divisors (see below), whose sum is σ = 234580416. Its totient is φ = 78193470.

The previous prime is 156386939. The next prime is 156386953. The reversal of 156386942 is 249683651.

156386942 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×156386942² = 48913751256222728, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 156386893 and 156386902.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39096734 + ... + 39096737.

It is an arithmetic number, because the mean of its divisors is an integer number (58645104).

Almost surely, 2^156386942 is an apocalyptic number.

156386942 is a deficient number, since it is larger than the sum of its proper divisors (78193474).

156386942 is an equidigital number, since it uses as much as digits as its factorization.

156386942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78193473.

The product of its digits is 311040, while the sum is 44.

The square root of 156386942 is about 12505.4764803265. The cubic root of 156386942 is about 538.7659772789.

The spelling of 156386942 in words is "one hundred fifty-six million, three hundred eighty-six thousand, nine hundred forty-two".