156422464 has 56 divisors (see below), whose sum is σ = 342826848. Its totient is φ = 70218240.

The previous prime is 156422401. The next prime is 156422467. The reversal of 156422464 is 464224651.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (156422467) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57094 + ... + 59770.

It is an arithmetic number, because the mean of its divisors is an integer number (6121908).

Almost surely, 2^156422464 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 156422464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (171413424).

156422464 is an abundant number, since it is smaller than the sum of its proper divisors (186404384).

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

156422464 is a wasteful number, since it uses less digits than its factorization.

156422464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2783 (or 2773 counting only the distinct ones).

The product of its digits is 46080, while the sum is 34.

The square root of 156422464 is about 12506.8966574446. The cubic root of 156422464 is about 538.8067662689.

It can be divided in two parts, 1 and 56422464, that added together give a palindrome (56422465).

The spelling of 156422464 in words is "one hundred fifty-six million, four hundred twenty-two thousand, four hundred sixty-four".