157046503 has 4 divisors (see below), whose sum is σ = 157868928. Its totient is φ = 156224080.

The previous prime is 157046489. The next prime is 157046551. The reversal of 157046503 is 305640751.

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 157046503 - 2⁵ = 157046471 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157046563) 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, 410926 + ... + 411307.

It is an arithmetic number, because the mean of its divisors is an integer number (39467232).

Almost surely, 2^157046503 is an apocalyptic number.

157046503 is a deficient number, since it is larger than the sum of its proper divisors (822425).

157046503 is an equidigital number, since it uses as much as digits as its factorization.

157046503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 822424.

The product of its (nonzero) digits is 12600, while the sum is 31.

The square root of 157046503 is about 12531.8196204701. The cubic root of 157046503 is about 539.5223290745.

The spelling of 157046503 in words is "one hundred fifty-seven million, forty-six thousand, five hundred three".