142768418 has 16 divisors (see below), whose sum is σ = 232746360. Its totient is φ = 65287296.

The previous prime is 142768393. The next prime is 142768427. The reversal of 142768418 is 814867241.

It can be written as a sum of positive squares in 4 ways, for example, as 124166449 + 18601969 = 11143^2 + 4313^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22355 + ... + 28022.

Almost surely, 2^142768418 is an apocalyptic number.

142768418 is a deficient number, since it is larger than the sum of its proper divisors (89977942).

142768418 is a wasteful number, since it uses less digits than its factorization.

142768418 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50501.

The product of its digits is 86016, while the sum is 41.

The square root of 142768418 is about 11948.5738897996. The cubic root of 142768418 is about 522.6497123699.

The spelling of 142768418 in words is "one hundred forty-two million, seven hundred sixty-eight thousand, four hundred eighteen".