143091404 has 6 divisors (see below), whose sum is σ = 250409964. Its totient is φ = 71545700.

The previous prime is 143091373. The next prime is 143091427. The reversal of 143091404 is 404190341.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17886422 + ... + 17886429.

It is an arithmetic number, because the mean of its divisors is an integer number (41734994).

Almost surely, 2^143091404 is an apocalyptic number.

It is an amenable number.

143091404 is a deficient number, since it is larger than the sum of its proper divisors (107318560).

143091404 is a wasteful number, since it uses less digits than its factorization.

143091404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35772855 (or 35772853 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 143091404 is about 11962.0819258188. The cubic root of 143091404 is about 523.0435469055.

The spelling of 143091404 in words is "one hundred forty-three million, ninety-one thousand, four hundred four".