157133674 has 4 divisors (see below), whose sum is σ = 235700514. Its totient is φ = 78566836.

The previous prime is 157133663. The next prime is 157133681. The reversal of 157133674 is 476331751.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 476331751 = 7 ⋅68047393.

It can be written as a sum of positive squares in only one way, i.e., 102151449 + 54982225 = 10107^2 + 7415^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39283417 + ... + 39283420.

Almost surely, 2^157133674 is an apocalyptic number.

157133674 is a deficient number, since it is larger than the sum of its proper divisors (78566840).

157133674 is an equidigital number, since it uses as much as digits as its factorization.

157133674 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78566839.

The product of its digits is 52920, while the sum is 37.

The square root of 157133674 is about 12535.2971245200. The cubic root of 157133674 is about 539.6221339116.

It can be divided in two parts, 1571 and 33674, that added together give a triangular number (35245 = T₂₆₅).

The spelling of 157133674 in words is "one hundred fifty-seven million, one hundred thirty-three thousand, six hundred seventy-four".