156863472 has 80 divisors (see below), whose sum is σ = 420925440. Its totient is φ = 50284800.

The previous prime is 156863467. The next prime is 156863489. The reversal of 156863472 is 274368651.

156863472 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×156863472² = 49212297695789568, which contains 22 as substring.

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, 403054 + ... + 403442.

It is an arithmetic number, because the mean of its divisors is an integer number (5261568).

Almost surely, 2^156863472 is an apocalyptic number.

156863472 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 156863472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (210462720).

156863472 is an abundant number, since it is smaller than the sum of its proper divisors (264061968).

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

156863472 is a wasteful number, since it uses less digits than its factorization.

156863472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 702 (or 696 counting only the distinct ones).

The product of its digits is 241920, while the sum is 42.

The square root of 156863472 is about 12524.5148409030. The cubic root of 156863472 is about 539.3126508431.

The spelling of 156863472 in words is "one hundred fifty-six million, eight hundred sixty-three thousand, four hundred seventy-two".