157144294 has 8 divisors (see below), whose sum is σ = 249582168. Its totient is φ = 73950240.

The previous prime is 157144237. The next prime is 157144313. The reversal of 157144294 is 492441751.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2310912 + ... + 2310979.

It is an arithmetic number, because the mean of its divisors is an integer number (31197771).

Almost surely, 2^157144294 is an apocalyptic number.

157144294 is a deficient number, since it is larger than the sum of its proper divisors (92437874).

157144294 is a wasteful number, since it uses less digits than its factorization.

157144294 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4621910.

The product of its digits is 40320, while the sum is 37.

The square root of 157144294 is about 12535.7207212031. The cubic root of 157144294 is about 539.6342905631.

The spelling of 157144294 in words is "one hundred fifty-seven million, one hundred forty-four thousand, two hundred ninety-four".