143874434 has 16 divisors (see below), whose sum is σ = 249280416. Its totient is φ = 61550400.

The previous prime is 143874397. The next prime is 143874443. The reversal of 143874434 is 434478341.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 191972 + ... + 192719.

It is an arithmetic number, because the mean of its divisors is an integer number (15580026).

Almost surely, 2^143874434 is an apocalyptic number.

143874434 is a deficient number, since it is larger than the sum of its proper divisors (105405982).

143874434 is a wasteful number, since it uses less digits than its factorization.

143874434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 384721.

The product of its digits is 129024, while the sum is 38.

The square root of 143874434 is about 11994.7669422961. The cubic root of 143874434 is about 523.9958845315.

The spelling of 143874434 in words is "one hundred forty-three million, eight hundred seventy-four thousand, four hundred thirty-four".