142379898 has 16 divisors (see below), whose sum is σ = 287696640. Its totient is φ = 46970496.

The previous prime is 142379819. The next prime is 142379903. The reversal of 142379898 is 898973241.

It is a self number, because there is not a number n which added to its sum of digits gives 142379898.

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, 121738 + ... + 122901.

It is an arithmetic number, because the mean of its divisors is an integer number (17981040).

Almost surely, 2^142379898 is an apocalyptic number.

142379898 is an abundant number, since it is smaller than the sum of its proper divisors (145316742).

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

142379898 is a wasteful number, since it uses less digits than its factorization.

142379898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244741.

The product of its digits is 870912, while the sum is 51.

The square root of 142379898 is about 11932.3048067002. The cubic root of 142379898 is about 522.1751808506.

The spelling of 142379898 in words is "one hundred forty-two million, three hundred seventy-nine thousand, eight hundred ninety-eight".