142175524 has 6 divisors (see below), whose sum is σ = 248807174. Its totient is φ = 71087760.

The previous prime is 142175503. The next prime is 142175533. The reversal of 142175524 is 425571241.

It can be written as a sum of positive squares in only one way, i.e., 113209600 + 28965924 = 10640^2 + 5382^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17771937 + ... + 17771944.

Almost surely, 2^142175524 is an apocalyptic number.

It is an amenable number.

142175524 is a deficient number, since it is larger than the sum of its proper divisors (106631650).

142175524 is a wasteful number, since it uses less digits than its factorization.

142175524 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35543885 (or 35543883 counting only the distinct ones).

The product of its digits is 11200, while the sum is 31.

The square root of 142175524 is about 11923.7378367691. The cubic root of 142175524 is about 521.9252154771.

The spelling of 142175524 in words is "one hundred forty-two million, one hundred seventy-five thousand, five hundred twenty-four".