155828736 has 120 divisors (see below), whose sum is σ = 514086144. Its totient is φ = 44513280.

The previous prime is 155828711. The next prime is 155828737. The reversal of 155828736 is 637828551.

155828736 is a `hidden beast` number, since 1 + 558 + 28 + 73 + 6 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 155828691 and 155828700.

It is not an unprimeable number, because it can be changed into a prime (155828737) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 29841 + ... + 34671.

Almost surely, 2^155828736 is an apocalyptic number.

155828736 is a gapful number since it is divisible by the number (16) 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 155828736, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (257043072).

155828736 is an abundant number, since it is smaller than the sum of its proper divisors (358257408).

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

155828736 is an equidigital number, since it uses as much as digits as its factorization.

155828736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4862 (or 4843 counting only the distinct ones).

The product of its digits is 403200, while the sum is 45.

The square root of 155828736 is about 12483.1380670086. The cubic root of 155828736 is about 538.1241910982.

The spelling of 155828736 in words is "one hundred fifty-five million, eight hundred twenty-eight thousand, seven hundred thirty-six".