142746974906 has 32 divisors (see below), whose sum is σ = 224914045440. Its totient is φ = 67866854400.

The previous prime is 142746974879. The next prime is 142746974911. The reversal of 142746974906 is 609479647241.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 750566 + ... + 921326.

It is an arithmetic number, because the mean of its divisors is an integer number (7028563920).

Almost surely, 2^142746974906 is an apocalyptic number.

142746974906 is a deficient number, since it is larger than the sum of its proper divisors (82167070534).

142746974906 is a wasteful number, since it uses less digits than its factorization.

142746974906 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171030.

The product of its (nonzero) digits is 18289152, while the sum is 59.

The spelling of 142746974906 in words is "one hundred forty-two billion, seven hundred forty-six million, nine hundred seventy-four thousand, nine hundred six".