143601664 has 26 divisors (see below), whose sum is σ = 287176460. Its totient is φ = 71798784.

The previous prime is 143601659. The next prime is 143601671. The reversal of 143601664 is 466106341.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13434 + ... + 21625.

Almost surely, 2^143601664 is an apocalyptic number.

It is an amenable number.

143601664 is a deficient number, since it is larger than the sum of its proper divisors (143574796).

143601664 is an frugal number, since it uses more digits than its factorization.

143601664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35083 (or 35061 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 31.

The square root of 143601664 is about 11983.3911727858. The cubic root of 143601664 is about 523.6645289751.

The spelling of 143601664 in words is "one hundred forty-three million, six hundred one thousand, six hundred sixty-four".