142254473946 has 16 divisors (see below), whose sum is σ = 306394251744. Its totient is φ = 43770607344.

The previous prime is 142254473939. The next prime is 142254473957. The reversal of 142254473946 is 649374452241.

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, 911887576 + ... + 911887731.

It is an arithmetic number, because the mean of its divisors is an integer number (19149640734).

Almost surely, 2^142254473946 is an apocalyptic number.

142254473946 is an abundant number, since it is smaller than the sum of its proper divisors (164139777798).

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

142254473946 is a wasteful number, since it uses less digits than its factorization.

142254473946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1823775325.

The product of its digits is 5806080, while the sum is 51.

The spelling of 142254473946 in words is "one hundred forty-two billion, two hundred fifty-four million, four hundred seventy-three thousand, nine hundred forty-six".