157874503 has 4 divisors (see below), whose sum is σ = 157976568. Its totient is φ = 157772440.

The previous prime is 157874489. The next prime is 157874513. The reversal of 157874503 is 305478751.

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 157874503 - 2⁵ = 157874471 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 (157874513) 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, 48676 + ... + 51817.

It is an arithmetic number, because the mean of its divisors is an integer number (39494142).

Almost surely, 2^157874503 is an apocalyptic number.

157874503 is a deficient number, since it is larger than the sum of its proper divisors (102065).

157874503 is a wasteful number, since it uses less digits than its factorization.

157874503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102064.

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

The square root of 157874503 is about 12564.8120956901. The cubic root of 157874503 is about 540.4688463575.

The spelling of 157874503 in words is "one hundred fifty-seven million, eight hundred seventy-four thousand, five hundred three".