157614457 has 16 divisors (see below), whose sum is σ = 211623552. Its totient is φ = 113368320.

The previous prime is 157614451. The next prime is 157614467. The reversal of 157614457 is 754416751.

It is not a de Polignac number, because 157614457 - 2¹¹ = 157612409 is a prime.

It is not an unprimeable number, because it can be changed into a prime (157614451) 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, 77728 + ... + 79729.

It is an arithmetic number, because the mean of its divisors is an integer number (13226472).

Almost surely, 2^157614457 is an apocalyptic number.

It is an amenable number.

157614457 is a deficient number, since it is larger than the sum of its proper divisors (54009095).

157614457 is a wasteful number, since it uses less digits than its factorization.

157614457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157488.

The product of its digits is 117600, while the sum is 40.

The square root of 157614457 is about 12554.4596458788. The cubic root of 157614457 is about 540.1719354193.

The spelling of 157614457 in words is "one hundred fifty-seven million, six hundred fourteen thousand, four hundred fifty-seven".