157374669 has 4 divisors (see below), whose sum is σ = 209832896. Its totient is φ = 104916444.

The previous prime is 157374667. The next prime is 157374683. The reversal of 157374669 is 966473751.

It is a happy number.

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: 966473751 = 3 ⋅322157917.

It is not a de Polignac number, because 157374669 - 2¹ = 157374667 is a prime.

It is a super-2 number, since 2×157374669² = 49533572885719122, 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 (157374667) 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, 26229109 + ... + 26229114.

It is an arithmetic number, because the mean of its divisors is an integer number (52458224).

Almost surely, 2^157374669 is an apocalyptic number.

It is an amenable number.

157374669 is a deficient number, since it is larger than the sum of its proper divisors (52458227).

157374669 is an equidigital number, since it uses as much as digits as its factorization.

157374669 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52458226.

The product of its digits is 952560, while the sum is 48.

The square root of 157374669 is about 12544.9060976956. The cubic root of 157374669 is about 539.8978647712.

The spelling of 157374669 in words is "one hundred fifty-seven million, three hundred seventy-four thousand, six hundred sixty-nine".