142030664 has 8 divisors (see below), whose sum is σ = 266307510. Its totient is φ = 71015328.

The previous prime is 142030657. The next prime is 142030697. The reversal of 142030664 is 466030241.

142030664 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 126742564 + 15288100 = 11258^2 + 3910^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8876909 + ... + 8876924.

Almost surely, 2^142030664 is an apocalyptic number.

It is an amenable number.

142030664 is a deficient number, since it is larger than the sum of its proper divisors (124276846).

142030664 is a wasteful number, since it uses less digits than its factorization.

142030664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17753839 (or 17753835 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 26.

The square root of 142030664 is about 11917.6618512190. The cubic root of 142030664 is about 521.7478952722.

The spelling of 142030664 in words is "one hundred forty-two million, thirty thousand, six hundred sixty-four".