157380307 has 6 divisors (see below), whose sum is σ = 183075108. Its totient is φ = 134897364.

The previous prime is 157380259. The next prime is 157380313. The reversal of 157380307 is 703083751.

It is not a de Polignac number, because 157380307 - 2¹⁹ = 156856019 is a prime.

It is a super-2 number, since 2×157380307² = 49537122062828498, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (157380347) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1605873 + ... + 1605970.

It is an arithmetic number, because the mean of its divisors is an integer number (30512518).

Almost surely, 2^157380307 is an apocalyptic number.

157380307 is a deficient number, since it is larger than the sum of its proper divisors (25694801).

157380307 is an equidigital number, since it uses as much as digits as its factorization.

157380307 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3211857 (or 3211850 counting only the distinct ones).

The product of its (nonzero) digits is 17640, while the sum is 34.

The square root of 157380307 is about 12545.1308084053. The cubic root of 157380307 is about 539.9043120346.

The spelling of 157380307 in words is "one hundred fifty-seven million, three hundred eighty thousand, three hundred seven".