157151232 has 312 divisors, whose sum is σ = 560264400. Its totient is φ = 43352064.

The previous prime is 157151209. The next prime is 157151233. The reversal of 157151232 is 232151751.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 157151196 and 157151205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157151233) 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 23 ways as a sum of consecutive naturals, for example, 5418994 + ... + 5419022.

Almost surely, 2^157151232 is an apocalyptic number.

157151232 is a gapful number since it is divisible by the number (12) 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 157151232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (280132200).

157151232 is an abundant number, since it is smaller than the sum of its proper divisors (403113168).

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

157151232 is an equidigital number, since it uses as much as digits as its factorization.

157151232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76 (or 41 counting only the distinct ones).

The product of its digits is 2100, while the sum is 27.

The square root of 157151232 is about 12535.9974473514. The cubic root of 157151232 is about 539.6422321551.

The spelling of 157151232 in words is "one hundred fifty-seven million, one hundred fifty-one thousand, two hundred thirty-two".