142245922 has 24 divisors (see below), whose sum is σ = 267299676. Its totient is φ = 56272608.

The previous prime is 142245893. The next prime is 142245959. The reversal of 142245922 is 229542241.

It can be written as a sum of positive squares in 2 ways, for example, as 133888041 + 8357881 = 11571^2 + 2891^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 54553 + ... + 57100.

Almost surely, 2^142245922 is an apocalyptic number.

142245922 is a deficient number, since it is larger than the sum of its proper divisors (125053754).

142245922 is a wasteful number, since it uses less digits than its factorization.

142245922 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111682 (or 111675 counting only the distinct ones).

The product of its digits is 11520, while the sum is 31.

The square root of 142245922 is about 11926.6894819979. The cubic root of 142245922 is about 522.0113447621.

The spelling of 142245922 in words is "one hundred forty-two million, two hundred forty-five thousand, nine hundred twenty-two".