142270244 has 6 divisors (see below), whose sum is σ = 248972934. Its totient is φ = 71135120.

The previous prime is 142270243. The next prime is 142270267. The reversal of 142270244 is 442072241.

It can be written as a sum of positive squares in only one way, i.e., 75030244 + 67240000 = 8662^2 + 8200^2 .

It is not an unprimeable number, because it can be changed into a prime (142270243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17783777 + ... + 17783784.

It is an arithmetic number, because the mean of its divisors is an integer number (41495489).

Almost surely, 2^142270244 is an apocalyptic number.

It is an amenable number.

142270244 is a deficient number, since it is larger than the sum of its proper divisors (106702690).

142270244 is a wasteful number, since it uses less digits than its factorization.

142270244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35567565 (or 35567563 counting only the distinct ones).

The product of its (nonzero) digits is 3584, while the sum is 26.

The square root of 142270244 is about 11927.7090843129. The cubic root of 142270244 is about 522.0410952022.

The spelling of 142270244 in words is "one hundred forty-two million, two hundred seventy thousand, two hundred forty-four".