157344673 has 8 divisors (see below), whose sum is σ = 170145792. Its totient is φ = 144937536.

The previous prime is 157344659. The next prime is 157344709. The reversal of 157344673 is 376443751.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 157344673 - 2⁵ = 157344641 is a prime.

It is a super-2 number, since 2×157344673² = 49514692242953858, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (157344373) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 97665 + ... + 99262.

It is an arithmetic number, because the mean of its divisors is an integer number (21268224).

Almost surely, 2^157344673 is an apocalyptic number.

It is an amenable number.

157344673 is a deficient number, since it is larger than the sum of its proper divisors (12801119).

157344673 is a wasteful number, since it uses less digits than its factorization.

157344673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 196991.

The product of its digits is 211680, while the sum is 40.

The square root of 157344673 is about 12543.7104957026. The cubic root of 157344673 is about 539.8635606368.

The spelling of 157344673 in words is "one hundred fifty-seven million, three hundred forty-four thousand, six hundred seventy-three".