156890038 has 16 divisors (see below), whose sum is σ = 245910240. Its totient is φ = 74929536.

The previous prime is 156890023. The next prime is 156890053. The reversal of 156890038 is 830098651.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (156890023) and next prime (156890053).

It is a super-2 number, since 2×156890038² = 49228968047282888, which contains 22 as substring.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 38398 + ... + 42286.

It is an arithmetic number, because the mean of its divisors is an integer number (15369390).

Almost surely, 2^156890038 is an apocalyptic number.

156890038 is a deficient number, since it is larger than the sum of its proper divisors (89020202).

156890038 is a wasteful number, since it uses less digits than its factorization.

156890038 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4791.

The product of its (nonzero) digits is 51840, while the sum is 40.

The square root of 156890038 is about 12525.5753560465. The cubic root of 156890038 is about 539.3430946657.

The spelling of 156890038 in words is "one hundred fifty-six million, eight hundred ninety thousand, thirty-eight".