156422040 has 32 divisors (see below), whose sum is σ = 469266480. Its totient is φ = 41712512.

The previous prime is 156421973. The next prime is 156422059. The reversal of 156422040 is 40224651.

156422040 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 156422040.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 651639 + ... + 651878.

Almost surely, 2^156422040 is an apocalyptic number.

156422040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

156422040 is an abundant number, since it is smaller than the sum of its proper divisors (312844440).

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

156422040 is a wasteful number, since it uses less digits than its factorization.

156422040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1303531 (or 1303527 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 156422040 is about 12506.8797067854. The cubic root of 156422040 is about 538.8062794371.

Adding to 156422040 its reverse (40224651), we get a palindrome (196646691).

The spelling of 156422040 in words is "one hundred fifty-six million, four hundred twenty-two thousand, forty".