159157250 has 32 divisors (see below), whose sum is σ = 340509312. Its totient is φ = 54567600.

The previous prime is 159157241. The next prime is 159157253. The reversal of 159157250 is 52751951.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 159157250.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (159157253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43724 + ... + 47223.

It is an arithmetic number, because the mean of its divisors is an integer number (10640916).

Almost surely, 2^159157250 is an apocalyptic number.

159157250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

159157250 is an abundant number, since it is smaller than the sum of its proper divisors (181352062).

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

159157250 is an equidigital number, since it uses as much as digits as its factorization.

159157250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90971 (or 90961 counting only the distinct ones).

The product of its (nonzero) digits is 15750, while the sum is 35.

The square root of 159157250 is about 12615.7540400881. The cubic root of 159157250 is about 541.9286884842.

The spelling of 159157250 in words is "one hundred fifty-nine million, one hundred fifty-seven thousand, two hundred fifty".