142312922 has 8 divisors (see below), whose sum is σ = 213553236. Its totient is φ = 71128512.

The previous prime is 142312921. The next prime is 142312949. The reversal of 142312922 is 229213241.

It can be written as a sum of positive squares in 2 ways, for example, as 142301041 + 11881 = 11929^2 + 109^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 142312891 and 142312900.

It is not an unprimeable number, because it can be changed into a prime (142312921) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6893 + ... + 18224.

Almost surely, 2^142312922 is an apocalyptic number.

142312922 is a deficient number, since it is larger than the sum of its proper divisors (71240314).

142312922 is a wasteful number, since it uses less digits than its factorization.

142312922 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27952.

The product of its digits is 1728, while the sum is 26.

The square root of 142312922 is about 11929.4979777022. The cubic root of 142312922 is about 522.0932903341.

The spelling of 142312922 in words is "one hundred forty-two million, three hundred twelve thousand, nine hundred twenty-two".