155253600 has 108 divisors (see below), whose sum is σ = 547488396. Its totient is φ = 41399040.

The previous prime is 155253587. The next prime is 155253629. The reversal of 155253600 is 6352551.

155253600 is a `hidden beast` number, since 1 + 5 + 5 + 2 + 53 + 600 = 666.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 3582 + ... + 17981.

It is an arithmetic number, because the mean of its divisors is an integer number (5069337).

Almost surely, 2^155253600 is an apocalyptic number.

155253600 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 155253600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (273744198).

155253600 is an abundant number, since it is smaller than the sum of its proper divisors (392234796).

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

155253600 is a wasteful number, since it uses less digits than its factorization.

155253600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21589 (or 21573 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 27.

The square root of 155253600 is about 12460.0802565634. The cubic root of 155253600 is about 537.4613348787.

The spelling of 155253600 in words is "one hundred fifty-five million, two hundred fifty-three thousand, six hundred".