157406353 has 4 divisors (see below), whose sum is σ = 169514548. Its totient is φ = 145298160.

The previous prime is 157406341. The next prime is 157406357. The reversal of 157406353 is 353604751.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 6190144 + 151216209 = 2488^2 + 12297^2 .

It is a cyclic number.

It is not a de Polignac number, because 157406353 - 2²¹ = 155309201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (157406357) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6054078 + ... + 6054103.

It is an arithmetic number, because the mean of its divisors is an integer number (42378637).

Almost surely, 2^157406353 is an apocalyptic number.

157406353 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

157406353 is a deficient number, since it is larger than the sum of its proper divisors (12108195).

157406353 is a wasteful number, since it uses less digits than its factorization.

157406353 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12108194.

The product of its (nonzero) digits is 37800, while the sum is 34.

The square root of 157406353 is about 12546.1688574640. The cubic root of 157406353 is about 539.9340946088.

The spelling of 157406353 in words is "one hundred fifty-seven million, four hundred six thousand, three hundred fifty-three".