142769664 has 60 divisors (see below), whose sum is σ = 412056216. Its totient is φ = 47588352.

The previous prime is 142769659. The next prime is 142769681. The reversal of 142769664 is 466967241.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10884 + ... + 20099.

Almost surely, 2^142769664 is an apocalyptic number.

It is an amenable number.

142769664 is an abundant number, since it is smaller than the sum of its proper divisors (269286552).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

142769664 is an equidigital number, since it uses as much as digits as its factorization.

142769664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31007 (or 30988 counting only the distinct ones).

The product of its digits is 435456, while the sum is 45.

The square root of 142769664 is about 11948.6260297994. The cubic root of 142769664 is about 522.6512328267.

The spelling of 142769664 in words is "one hundred forty-two million, seven hundred sixty-nine thousand, six hundred sixty-four".