157190451 has 16 divisors (see below), whose sum is σ = 229133568. Its totient is φ = 95061600.

The previous prime is 157190443. The next prime is 157190479. The reversal of 157190451 is 154091751.

157190451 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 157190451 - 2³ = 157190443 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (157190251) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11181 + ... + 20961.

It is an arithmetic number, because the mean of its divisors is an integer number (14320848).

Almost surely, 2^157190451 is an apocalyptic number.

157190451 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

157190451 is a deficient number, since it is larger than the sum of its proper divisors (71943117).

157190451 is a wasteful number, since it uses less digits than its factorization.

157190451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10282.

The product of its (nonzero) digits is 6300, while the sum is 33.

The square root of 157190451 is about 12537.5616050331. The cubic root of 157190451 is about 539.6871198472.

It can be divided in two parts, 157190 and 451, that added together give a triangular number (157641 = T₅₆₁).

The spelling of 157190451 in words is "one hundred fifty-seven million, one hundred ninety thousand, four hundred fifty-one".