157651452 has 72 divisors (see below), whose sum is σ = 461260800. Its totient is φ = 44467488.

The previous prime is 157651451. The next prime is 157651537. The reversal of 157651452 is 254156751.

157651452 is a `hidden beast` number, since 157 + 6 + 51 + 452 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157651451) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15949 + ... + 23867.

It is an arithmetic number, because the mean of its divisors is an integer number (6406400).

Almost surely, 2^157651452 is an apocalyptic number.

157651452 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 157651452, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (230630400).

157651452 is an abundant number, since it is smaller than the sum of its proper divisors (303609348).

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

157651452 is a wasteful number, since it uses less digits than its factorization.

157651452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8015 (or 8010 counting only the distinct ones).

The product of its digits is 42000, while the sum is 36.

The square root of 157651452 is about 12555.9329402478. The cubic root of 157651452 is about 540.2141948622.

The spelling of 157651452 in words is "one hundred fifty-seven million, six hundred fifty-one thousand, four hundred fifty-two".