143731368 has 64 divisors (see below), whose sum is σ = 435556800. Its totient is φ = 43554240.

The previous prime is 143731339. The next prime is 143731373. The reversal of 143731368 is 863137341.

It is a super-2 number, since 2×143731368² = 41317412294302848, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27871 + ... + 32622.

It is an arithmetic number, because the mean of its divisors is an integer number (6805575).

Almost surely, 2^143731368 is an apocalyptic number.

143731368 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

143731368 is an abundant number, since it is smaller than the sum of its proper divisors (291825432).

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

143731368 is a wasteful number, since it uses less digits than its factorization.

143731368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60519 (or 60509 counting only the distinct ones).

The product of its digits is 36288, while the sum is 36.

The square root of 143731368 is about 11988.8017749899. The cubic root of 143731368 is about 523.8221430841.

The spelling of 143731368 in words is "one hundred forty-three million, seven hundred thirty-one thousand, three hundred sixty-eight".