156422046 has 32 divisors (see below), whose sum is σ = 349227648. Its totient is φ = 46297440.

The previous prime is 156421973. The next prime is 156422059. The reversal of 156422046 is 640224651.

It is a super-2 number, since 2×156422046² = 48935712949652232, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24721 + ... + 30396.

It is an arithmetic number, because the mean of its divisors is an integer number (10913364).

Almost surely, 2^156422046 is an apocalyptic number.

156422046 is an abundant number, since it is smaller than the sum of its proper divisors (192805602).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

156422046 is a wasteful number, since it uses less digits than its factorization.

156422046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55176.

The product of its (nonzero) digits is 11520, while the sum is 30.

The square root of 156422046 is about 12506.8799466534. The cubic root of 156422046 is about 538.8062863262.

Adding to 156422046 its reverse (640224651), we get a palindrome (796646697).

The spelling of 156422046 in words is "one hundred fifty-six million, four hundred twenty-two thousand, forty-six".