143972104 has 8 divisors (see below), whose sum is σ = 269947710. Its totient is φ = 71986048.

The previous prime is 143972093. The next prime is 143972107. The reversal of 143972104 is 401279341.

It can be written as a sum of positive squares in only one way, i.e., 136843204 + 7128900 = 11698^2 + 2670^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (143972107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8998249 + ... + 8998264.

Almost surely, 2^143972104 is an apocalyptic number.

It is an amenable number.

143972104 is a deficient number, since it is larger than the sum of its proper divisors (125975606).

143972104 is a wasteful number, since it uses less digits than its factorization.

143972104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17996519 (or 17996515 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 143972104 is about 11998.8376103688. The cubic root of 143972104 is about 524.1144302662.

The spelling of 143972104 in words is "one hundred forty-three million, nine hundred seventy-two thousand, one hundred four".