142623664 has 40 divisors (see below), whose sum is σ = 281981952. Its totient is φ = 69867840.

The previous prime is 142623661. The next prime is 142623683. The reversal of 142623664 is 466326241.

142623664 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (142623661) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 253047 + ... + 253609.

Almost surely, 2^142623664 is an apocalyptic number.

It is an amenable number.

142623664 is a deficient number, since it is larger than the sum of its proper divisors (139358288).

142623664 is a wasteful number, since it uses less digits than its factorization.

142623664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 865 (or 859 counting only the distinct ones).

The product of its digits is 41472, while the sum is 34.

The square root of 142623664 is about 11942.5149780103. The cubic root of 142623664 is about 522.4730131129.

The spelling of 142623664 in words is "one hundred forty-two million, six hundred twenty-three thousand, six hundred sixty-four".