142619474 has 16 divisors (see below), whose sum is σ = 218502360. Its totient is φ = 69801600.

The previous prime is 142619467. The next prime is 142619501. The reversal of 142619474 is 474916241.

It can be written as a sum of positive squares in 4 ways, for example, as 123321025 + 19298449 = 11105^2 + 4393^2 .

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, 14012 + ... + 21944.

Almost surely, 2^142619474 is an apocalyptic number.

142619474 is a deficient number, since it is larger than the sum of its proper divisors (75882886).

142619474 is a wasteful number, since it uses less digits than its factorization.

142619474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8125.

The product of its digits is 48384, while the sum is 38.

The square root of 142619474 is about 11942.3395530357. The cubic root of 142619474 is about 522.4678966562.

The spelling of 142619474 in words is "one hundred forty-two million, six hundred nineteen thousand, four hundred seventy-four".