157451628 has 24 divisors (see below), whose sum is σ = 367621632. Its totient is φ = 52450384.

The previous prime is 157451621. The next prime is 157451639. The reversal of 157451628 is 826154751.

It is not an unprimeable number, because it can be changed into a prime (157451621) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21901 + ... + 28187.

It is an arithmetic number, because the mean of its divisors is an integer number (15317568).

Almost surely, 2^157451628 is an apocalyptic number.

It is an amenable number.

157451628 is an abundant number, since it is smaller than the sum of its proper divisors (210170004).

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

157451628 is a wasteful number, since it uses less digits than its factorization.

157451628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8381 (or 8379 counting only the distinct ones).

The product of its digits is 67200, while the sum is 39.

The square root of 157451628 is about 12547.9730634075. The cubic root of 157451628 is about 539.9858569684.

The spelling of 157451628 in words is "one hundred fifty-seven million, four hundred fifty-one thousand, six hundred twenty-eight".