157323377 has 4 divisors (see below), whose sum is σ = 157355376. Its totient is φ = 157291380.

The previous prime is 157323373. The next prime is 157323403. The reversal of 157323377 is 773323751.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 773323751 = 199 ⋅3886049.

It is a cyclic number.

It is not a de Polignac number, because 157323377 - 2² = 157323373 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 157323377.

It is not an unprimeable number, because it can be changed into a prime (157323373) 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, 6899 + ... + 19032.

It is an arithmetic number, because the mean of its divisors is an integer number (39338844).

Almost surely, 2^157323377 is an apocalyptic number.

It is an amenable number.

157323377 is a deficient number, since it is larger than the sum of its proper divisors (31999).

157323377 is an equidigital number, since it uses as much as digits as its factorization.

157323377 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31998.

The product of its digits is 92610, while the sum is 38.

The square root of 157323377 is about 12542.8615953458. The cubic root of 157323377 is about 539.8392033815.

The spelling of 157323377 in words is "one hundred fifty-seven million, three hundred twenty-three thousand, three hundred seventy-seven".