157900144 has 40 divisors (see below), whose sum is σ = 315783360. Its totient is φ = 76447488.

The previous prime is 157900111. The next prime is 157900159. The reversal of 157900144 is 441009751.

157900144 = T₁₃₅ + T₁₃₆ + ... + T₉₈₂.

157900144 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65814 + ... + 68170.

It is an arithmetic number, because the mean of its divisors is an integer number (7894584).

Almost surely, 2^157900144 is an apocalyptic number.

It is an amenable number.

157900144 is a deficient number, since it is larger than the sum of its proper divisors (157883216).

157900144 is a wasteful number, since it uses less digits than its factorization.

157900144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2497 (or 2491 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 31.

The square root of 157900144 is about 12565.8324037845. The cubic root of 157900144 is about 540.4981046423.

Adding to 157900144 its reverse (441009751), we get a palindrome (598909895).

The spelling of 157900144 in words is "one hundred fifty-seven million, nine hundred thousand, one hundred forty-four".