157354561 has 16 divisors (see below), whose sum is σ = 203862400. Its totient is φ = 117946368.

The previous prime is 157354537. The next prime is 157354577. The reversal of 157354561 is 165453751.

It is a cyclic number.

It is not a de Polignac number, because 157354561 - 2⁹ = 157354049 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 157354561.

It is not an unprimeable number, because it can be changed into a prime (157354511) 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, 43776 + ... + 47233.

It is an arithmetic number, because the mean of its divisors is an integer number (12741400).

Almost surely, 2^157354561 is an apocalyptic number.

It is an amenable number.

157354561 is a deficient number, since it is larger than the sum of its proper divisors (46507839).

157354561 is a wasteful number, since it uses less digits than its factorization.

157354561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91048.

The product of its digits is 63000, while the sum is 37.

The square root of 157354561 is about 12544.1046312601. The cubic root of 157354561 is about 539.8748692690.

The spelling of 157354561 in words is "one hundred fifty-seven million, three hundred fifty-four thousand, five hundred sixty-one".