143609402 has 8 divisors (see below), whose sum is σ = 215502336. Its totient is φ = 71775292.

The previous prime is 143609371. The next prime is 143609413. The reversal of 143609402 is 204906341.

143609402 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7988 + ... + 18735.

It is an arithmetic number, because the mean of its divisors is an integer number (26937792).

Almost surely, 2^143609402 is an apocalyptic number.

143609402 is a deficient number, since it is larger than the sum of its proper divisors (71892934).

143609402 is a wasteful number, since it uses less digits than its factorization.

143609402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29412.

The product of its (nonzero) digits is 5184, while the sum is 29.

The square root of 143609402 is about 11983.7140319686. The cubic root of 143609402 is about 523.6739347235.

The spelling of 143609402 in words is "one hundred forty-three million, six hundred nine thousand, four hundred two".