157320263 has 8 divisors (see below), whose sum is σ = 161776032. Its totient is φ = 152875296.

The previous prime is 157320223. The next prime is 157320269. The reversal of 157320263 is 362023751.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 157320263 - 2⁶ = 157320199 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 (157320269) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33581 + ... + 37977.

It is an arithmetic number, because the mean of its divisors is an integer number (20222004).

Almost surely, 2^157320263 is an apocalyptic number.

157320263 is a deficient number, since it is larger than the sum of its proper divisors (4455769).

157320263 is an equidigital number, since it uses as much as digits as its factorization.

157320263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5401.

The product of its (nonzero) digits is 7560, while the sum is 29.

The square root of 157320263 is about 12542.7374603792. The cubic root of 157320263 is about 539.8356415664.

The spelling of 157320263 in words is "one hundred fifty-seven million, three hundred twenty thousand, two hundred sixty-three".