157143760 has 20 divisors (see below), whose sum is σ = 365359428. Its totient is φ = 62857472.

The previous prime is 157143713. The next prime is 157143761. The reversal of 157143760 is 67341751.

157143760 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 103795344 + 53348416 = 10188^2 + 7304^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a super-2 number, since 2×157143760² = 49388322613875200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157143761) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 982069 + ... + 982228.

Almost surely, 2^157143760 is an apocalyptic number.

157143760 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

157143760 is an abundant number, since it is smaller than the sum of its proper divisors (208215668).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

157143760 is a wasteful number, since it uses less digits than its factorization.

157143760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1964310 (or 1964304 counting only the distinct ones).

The product of its (nonzero) digits is 17640, while the sum is 34.

The square root of 157143760 is about 12535.6994220506. The cubic root of 157143760 is about 539.6336793095.

The spelling of 157143760 in words is "one hundred fifty-seven million, one hundred forty-three thousand, seven hundred sixty".