143567972 has 12 divisors (see below), whose sum is σ = 251337660. Its totient is φ = 71757216.

The previous prime is 143567959. The next prime is 143567993. The reversal of 143567972 is 279765341.

It can be written as a sum of positive squares in 2 ways, for example, as 67634176 + 75933796 = 8224^2 + 8714^2 .

It is a super-2 number, since 2×143567972² = 41223525168385568, which contains 22 as substring.

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, 9998 + ... + 19674.

It is an arithmetic number, because the mean of its divisors is an integer number (20944805).

Almost surely, 2^143567972 is an apocalyptic number.

It is an amenable number.

143567972 is a deficient number, since it is larger than the sum of its proper divisors (107769688).

143567972 is a wasteful number, since it uses less digits than its factorization.

143567972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13390 (or 13388 counting only the distinct ones).

The product of its digits is 317520, while the sum is 44.

The square root of 143567972 is about 11981.9853112913. The cubic root of 143567972 is about 523.6235714986.

The spelling of 143567972 in words is "one hundred forty-three million, five hundred sixty-seven thousand, nine hundred seventy-two".