157494623 has 16 divisors (see below), whose sum is σ = 185383296. Its totient is φ = 131910240.

The previous prime is 157494611. The next prime is 157494671. The reversal of 157494623 is 326494751.

It is not a de Polignac number, because 157494623 - 2⁶ = 157494559 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 (157494683) 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, 134840 + ... + 136002.

It is an arithmetic number, because the mean of its divisors is an integer number (11586456).

Almost surely, 2^157494623 is an apocalyptic number.

157494623 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

157494623 is a deficient number, since it is larger than the sum of its proper divisors (27888673).

157494623 is a wasteful number, since it uses less digits than its factorization.

157494623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2134.

The product of its digits is 181440, while the sum is 41.

The square root of 157494623 is about 12549.6861713750. The cubic root of 157494623 is about 540.0350034466.

The spelling of 157494623 in words is "one hundred fifty-seven million, four hundred ninety-four thousand, six hundred twenty-three".