157844252 has 12 divisors (see below), whose sum is σ = 292476240. Its totient is φ = 74279616.

The previous prime is 157844251. The next prime is 157844261. The reversal of 157844252 is 252448751.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157844251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1160552 + ... + 1160687.

It is an arithmetic number, because the mean of its divisors is an integer number (24373020).

Almost surely, 2^157844252 is an apocalyptic number.

It is an amenable number.

157844252 is a deficient number, since it is larger than the sum of its proper divisors (134631988).

157844252 is a wasteful number, since it uses less digits than its factorization.

157844252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2321260 (or 2321258 counting only the distinct ones).

The product of its digits is 89600, while the sum is 38.

The square root of 157844252 is about 12563.6082396738. The cubic root of 157844252 is about 540.4343236466.

The spelling of 157844252 in words is "one hundred fifty-seven million, eight hundred forty-four thousand, two hundred fifty-two".