157457701 has 8 divisors (see below), whose sum is σ = 168125760. Its totient is φ = 147108192.

The previous prime is 157457659. The next prime is 157457737. The reversal of 157457701 is 107754751.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 157457701 - 2⁹ = 157457189 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157457771) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 78616 + ... + 80593.

It is an arithmetic number, because the mean of its divisors is an integer number (21015720).

Almost surely, 2^157457701 is an apocalyptic number.

It is an amenable number.

157457701 is a deficient number, since it is larger than the sum of its proper divisors (10668059).

157457701 is a wasteful number, since it uses less digits than its factorization.

157457701 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159275.

The product of its (nonzero) digits is 34300, while the sum is 37.

The square root of 157457701 is about 12548.2150523491. The cubic root of 157457701 is about 539.9927994010.

The spelling of 157457701 in words is "one hundred fifty-seven million, four hundred fifty-seven thousand, seven hundred one".