157613807 has 4 divisors (see below), whose sum is σ = 169737960. Its totient is φ = 145489656.

The previous prime is 157613803. The next prime is 157613837. The reversal of 157613807 is 708316751.

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

It is not a de Polignac number, because 157613807 - 2² = 157613803 is a prime.

It is a super-2 number, since 2×157613807² = 49684224314066498, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157613801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6062057 + ... + 6062082.

It is an arithmetic number, because the mean of its divisors is an integer number (42434490).

Almost surely, 2^157613807 is an apocalyptic number.

157613807 is a deficient number, since it is larger than the sum of its proper divisors (12124153).

157613807 is a wasteful number, since it uses less digits than its factorization.

157613807 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12124152.

The product of its (nonzero) digits is 35280, while the sum is 38.

The square root of 157613807 is about 12554.4337586368. The cubic root of 157613807 is about 540.1711928643.

The spelling of 157613807 in words is "one hundred fifty-seven million, six hundred thirteen thousand, eight hundred seven".