142175242 has 24 divisors (see below), whose sum is σ = 235287108. Its totient is φ = 64384320.

The previous prime is 142175239. The next prime is 142175261. The reversal of 142175242 is 242571241.

It can be written as a sum of positive squares in 2 ways, for example, as 130622041 + 11553201 = 11429^2 + 3399^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 142175242.

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, 74808 + ... + 76684.

Almost surely, 2^142175242 is an apocalyptic number.

142175242 is a deficient number, since it is larger than the sum of its proper divisors (93111866).

142175242 is a wasteful number, since it uses less digits than its factorization.

142175242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2214 (or 2203 counting only the distinct ones).

The product of its digits is 4480, while the sum is 28.

The square root of 142175242 is about 11923.7260116123. The cubic root of 142175242 is about 521.9248704037.

The spelling of 142175242 in words is "one hundred forty-two million, one hundred seventy-five thousand, two hundred forty-two".