142366664 has 24 divisors (see below), whose sum is σ = 293412630. Its totient is φ = 64711680.

The previous prime is 142366633. The next prime is 142366681. The reversal of 142366664 is 466663241.

It is a happy number.

142366664 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., 138532900 + 3833764 = 11770^2 + 1958^2 .

It is a super-3 number, since 3×142366664³ (a number of 25 digits) contains 333 as substring.

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, 72569 + ... + 74504.

Almost surely, 2^142366664 is an apocalyptic number.

It is an amenable number.

142366664 is an abundant number, since it is smaller than the sum of its proper divisors (151045966).

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

142366664 is a wasteful number, since it uses less digits than its factorization.

142366664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147101 (or 147086 counting only the distinct ones).

The product of its digits is 124416, while the sum is 38.

The square root of 142366664 is about 11931.7502488109. The cubic root of 142366664 is about 522.1590018802.

The spelling of 142366664 in words is "one hundred forty-two million, three hundred sixty-six thousand, six hundred sixty-four".