142073664 has 28 divisors (see below), whose sum is σ = 375903744. Its totient is φ = 47357824.

The previous prime is 142073623. The next prime is 142073671. The reversal of 142073664 is 466370241.

It is a happy number.

It is a congruent number.

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, 369792 + ... + 370175.

Almost surely, 2^142073664 is an apocalyptic number.

It is an amenable number.

142073664 is an abundant number, since it is smaller than the sum of its proper divisors (233830080).

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

142073664 is an equidigital number, since it uses as much as digits as its factorization.

142073664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 739982 (or 739972 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 33.

The square root of 142073664 is about 11919.4657598401. The cubic root of 142073664 is about 521.8005432830.

It can be divided in two parts, 14207 and 3664, that added together give a palindrome (17871).

The spelling of 142073664 in words is "one hundred forty-two million, seventy-three thousand, six hundred sixty-four".