155000832 has 224 divisors, whose sum is σ = 509576832. Its totient is φ = 40894464.

The previous prime is 155000789. The next prime is 155000873. The reversal of 155000832 is 238000551.

It is a tau number, because it is divible by the number of its divisors (224).

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

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, 2924518 + ... + 2924570.

Almost surely, 2^155000832 is an apocalyptic number.

155000832 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 155000832, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (254788416).

155000832 is an abundant number, since it is smaller than the sum of its proper divisors (354576000).

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

155000832 is an equidigital number, since it uses as much as digits as its factorization.

155000832 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106 (or 82 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 24.

The square root of 155000832 is about 12449.9330118680. The cubic root of 155000832 is about 537.1694966201.

The spelling of 155000832 in words is "one hundred fifty-five million, eight hundred thirty-two", and thus it is an aban number.