155052800 has 108 divisors (see below), whose sum is σ = 438732336. Its totient is φ = 53145600.

The previous prime is 155052791. The next prime is 155052809. The reversal of 155052800 is 8250551.

It is an interprime number because it is at equal distance from previous prime (155052791) and next prime (155052809).

It is a self number, because there is not a number n which added to its sum of digits gives 155052800.

It is not an unprimeable number, because it can be changed into a prime (155052809) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 43070 + ... + 46530.

Almost surely, 2^155052800 is an apocalyptic number.

155052800 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 155052800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (219366168).

155052800 is an abundant number, since it is smaller than the sum of its proper divisors (283679536).

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

155052800 is an equidigital number, since it uses as much as digits as its factorization.

155052800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3494 (or 3475 counting only the distinct ones).

The product of its (nonzero) digits is 2000, while the sum is 26.

The square root of 155052800 is about 12452.0199164634. The cubic root of 155052800 is about 537.2295231908.

The spelling of 155052800 in words is "one hundred fifty-five million, fifty-two thousand, eight hundred".