143933972 has 36 divisors (see below), whose sum is σ = 315553140. Its totient is φ = 56939904.

The previous prime is 143933941. The next prime is 143933983. The reversal of 143933972 is 279339341.

It can be written as a sum of positive squares in 2 ways, for example, as 30426256 + 113507716 = 5516^2 + 10654^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25697 + ... + 30792.

It is an arithmetic number, because the mean of its divisors is an integer number (8765365).

Almost surely, 2^143933972 is an apocalyptic number.

It is an amenable number.

143933972 is an abundant number, since it is smaller than the sum of its proper divisors (171619168).

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

143933972 is a wasteful number, since it uses less digits than its factorization.

143933972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56520 (or 56511 counting only the distinct ones).

The product of its digits is 122472, while the sum is 41.

The square root of 143933972 is about 11997.2485178894. The cubic root of 143933972 is about 524.0681544123.

The spelling of 143933972 in words is "one hundred forty-three million, nine hundred thirty-three thousand, nine hundred seventy-two".