157625429 has 4 divisors (see below), whose sum is σ = 169750476. Its totient is φ = 145500384.

The previous prime is 157625407. The next prime is 157625441. The reversal of 157625429 is 924526751.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 924526751 = 12149 ⋅76099.

It can be written as a sum of positive squares in 2 ways, for example, as 73994404 + 83631025 = 8602^2 + 9145^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-157625429 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157625449) 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, 6062504 + ... + 6062529.

It is an arithmetic number, because the mean of its divisors is an integer number (42437619).

Almost surely, 2^157625429 is an apocalyptic number.

It is an amenable number.

157625429 is a deficient number, since it is larger than the sum of its proper divisors (12125047).

157625429 is a wasteful number, since it uses less digits than its factorization.

157625429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12125046.

The product of its digits is 151200, while the sum is 41.

The square root of 157625429 is about 12554.8966144688. The cubic root of 157625429 is about 540.1844694408.

The spelling of 157625429 in words is "one hundred fifty-seven million, six hundred twenty-five thousand, four hundred twenty-nine".