255150000 has 420 divisors, whose sum is σ = 1058775984. Its totient is φ = 58320000.

The previous prime is 255149987. The next prime is 255150029. The reversal of 255150000 is 51552.

It is a tau number, because it is divible by the number of its divisors (420).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 83 ways as a sum of consecutive naturals, for example, 36449997 + ... + 36450003.

Almost surely, 2^255150000 is an apocalyptic number.

255150000 is a gapful number since it is divisible by the number (20) 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 255150000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (529387992).

255150000 is an abundant number, since it is smaller than the sum of its proper divisors (803625984).

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

255150000 is an frugal number, since it uses more digits than its factorization.

255150000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58 (or 17 counting only the distinct ones).

The product of its (nonzero) digits is 250, while the sum is 18.

The square root of 255150000 is about 15973.4154143690. The cubic root of 255150000 is about 634.2568858858.

The spelling of 255150000 in words is "two hundred fifty-five million, one hundred fifty thousand".