156948994 has 8 divisors (see below), whose sum is σ = 236011788. Its totient is φ = 78278400.

The previous prime is 156948959. The next prime is 156949019. The reversal of 156948994 is 499849651.

It can be written as a sum of positive squares in 2 ways, for example, as 153388225 + 3560769 = 12385^2 + 1887^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×156948994² = 49265973435224072, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 97047 + ... + 98650.

Almost surely, 2^156948994 is an apocalyptic number.

156948994 is a deficient number, since it is larger than the sum of its proper divisors (79062794).

156948994 is a wasteful number, since it uses less digits than its factorization.

156948994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 196100.

The product of its digits is 2799360, while the sum is 55.

The square root of 156948994 is about 12527.9285598219. The cubic root of 156948994 is about 539.4106441626.

The spelling of 156948994 in words is "one hundred fifty-six million, nine hundred forty-eight thousand, nine hundred ninety-four".