157422829 has 4 divisors (see below), whose sum is σ = 157450240. Its totient is φ = 157395420.

The previous prime is 157422799. The next prime is 157422857. The reversal of 157422829 is 928224751.

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: 928224751 = 2221 ⋅417931.

It is a cyclic number.

It is not a de Polignac number, because 157422829 - 2¹⁵ = 157390061 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 157422791 and 157422800.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157402829) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1419 + ... + 17800.

It is an arithmetic number, because the mean of its divisors is an integer number (39362560).

Almost surely, 2^157422829 is an apocalyptic number.

It is an amenable number.

157422829 is a deficient number, since it is larger than the sum of its proper divisors (27411).

157422829 is an equidigital number, since it uses as much as digits as its factorization.

157422829 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27410.

The product of its digits is 80640, while the sum is 40.

The square root of 157422829 is about 12546.8254550703. The cubic root of 157422829 is about 539.9529325689.

The spelling of 157422829 in words is "one hundred fifty-seven million, four hundred twenty-two thousand, eight hundred twenty-nine".