143008972 has 12 divisors (see below), whose sum is σ = 263437720. Its totient is φ = 67741056.

The previous prime is 143008969. The next prime is 143008973. The reversal of 143008972 is 279800341.

It is not an unprimeable number, because it can be changed into a prime (143008973) 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, 940773 + ... + 940924.

Almost surely, 2^143008972 is an apocalyptic number.

It is an amenable number.

143008972 is a deficient number, since it is larger than the sum of its proper divisors (120428748).

143008972 is a wasteful number, since it uses less digits than its factorization.

143008972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1881720 (or 1881718 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 34.

The square root of 143008972 is about 11958.6358753831. The cubic root of 143008972 is about 522.9430894207.

The spelling of 143008972 in words is "one hundred forty-three million, eight thousand, nine hundred seventy-two".