142290664 has 16 divisors (see below), whose sum is σ = 273302820. Its totient is φ = 69409920.

The previous prime is 142290649. The next prime is 142290721. The reversal of 142290664 is 466092241.

It can be written as a sum of positive squares in 2 ways, for example, as 138250564 + 4040100 = 11758^2 + 2010^2 .

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, 216579 + ... + 217234.

Almost surely, 2^142290664 is an apocalyptic number.

It is an amenable number.

142290664 is a deficient number, since it is larger than the sum of its proper divisors (131012156).

142290664 is a wasteful number, since it uses less digits than its factorization.

142290664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 433860 (or 433856 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 34.

The square root of 142290664 is about 11928.5650436253. The cubic root of 142290664 is about 522.0660701347.

The spelling of 142290664 in words is "one hundred forty-two million, two hundred ninety thousand, six hundred sixty-four".