157475351 has 4 divisors (see below), whose sum is σ = 171791304. Its totient is φ = 143159400.

The previous prime is 157475347. The next prime is 157475371. The reversal of 157475351 is 153574751.

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

It is a cyclic number.

It is not a de Polignac number, because 157475351 - 2² = 157475347 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 (157475341) 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 3 ways as a sum of consecutive naturals, for example, 7157960 + ... + 7157981.

It is an arithmetic number, because the mean of its divisors is an integer number (42947826).

Almost surely, 2^157475351 is an apocalyptic number.

157475351 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

157475351 is a deficient number, since it is larger than the sum of its proper divisors (14315953).

157475351 is a wasteful number, since it uses less digits than its factorization.

157475351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14315952.

The product of its digits is 73500, while the sum is 38.

The square root of 157475351 is about 12548.9183199191. The cubic root of 157475351 is about 540.0129752255.

The spelling of 157475351 in words is "one hundred fifty-seven million, four hundred seventy-five thousand, three hundred fifty-one".