152561250 has 120 divisors (see below), whose sum is σ = 421065216. Its totient is φ = 39900000.

The previous prime is 152561191. The next prime is 152561251. The reversal of 152561250 is 52165251.

152561250 is a `hidden beast` number, since 1 + 52 + 561 + 2 + 50 = 666.

152561250 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (152561251) by changing a digit.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 798655 + ... + 798845.

Almost surely, 2^152561250 is an apocalyptic number.

152561250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 152561250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (210532608).

152561250 is an abundant number, since it is smaller than the sum of its proper divisors (268503966).

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

152561250 is a wasteful number, since it uses less digits than its factorization.

152561250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 290 (or 272 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 27.

The square root of 152561250 is about 12351.5687262793. The cubic root of 152561250 is about 534.3363827639.

The spelling of 152561250 in words is "one hundred fifty-two million, five hundred sixty-one thousand, two hundred fifty".