157674401 has 4 divisors (see below), whose sum is σ = 162760704. Its totient is φ = 152588100.

The previous prime is 157674389. The next prime is 157674409. The reversal of 157674401 is 104476751.

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: 104476751 = 179 ⋅583669.

It is a cyclic number.

It is not a de Polignac number, because 157674401 - 2¹⁸ = 157412257 is a prime.

It is a super-2 number, since 2×157674401² = 49722433461417602, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (157674409) 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, 2543105 + ... + 2543166.

It is an arithmetic number, because the mean of its divisors is an integer number (40690176).

Almost surely, 2^157674401 is an apocalyptic number.

It is an amenable number.

157674401 is a deficient number, since it is larger than the sum of its proper divisors (5086303).

157674401 is an equidigital number, since it uses as much as digits as its factorization.

157674401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5086302.

The product of its (nonzero) digits is 23520, while the sum is 35.

The square root of 157674401 is about 12556.8467777544. The cubic root of 157674401 is about 540.2404062162.

The spelling of 157674401 in words is "one hundred fifty-seven million, six hundred seventy-four thousand, four hundred one".