155252300 has 72 divisors (see below), whose sum is σ = 401807616. Its totient is φ = 50909760.

The previous prime is 155252299. The next prime is 155252329. The reversal of 155252300 is 3252551.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11279 + ... + 20921.

Almost surely, 2^155252300 is an apocalyptic number.

155252300 is a gapful number since it is divisible by the number (10) 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 155252300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (200903808).

155252300 is an abundant number, since it is smaller than the sum of its proper divisors (246555316).

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

155252300 is a wasteful number, since it uses less digits than its factorization.

155252300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9687 (or 9680 counting only the distinct ones).

The product of its (nonzero) digits is 1500, while the sum is 23.

The square root of 155252300 is about 12460.0280898560. The cubic root of 155252300 is about 537.4598347488.

The spelling of 155252300 in words is "one hundred fifty-five million, two hundred fifty-two thousand, three hundred".