142315652 has 12 divisors (see below), whose sum is σ = 249183900. Its totient is φ = 71120256.

The previous prime is 142315639. The next prime is 142315669. The reversal of 142315652 is 256513241.

It can be written as a sum of positive squares in 2 ways, for example, as 51036736 + 91278916 = 7144^2 + 9554^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 224 + ... + 16872.

It is an arithmetic number, because the mean of its divisors is an integer number (20765325).

Almost surely, 2^142315652 is an apocalyptic number.

It is an amenable number.

142315652 is a deficient number, since it is larger than the sum of its proper divisors (106868248).

142315652 is a wasteful number, since it uses less digits than its factorization.

142315652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18790 (or 18788 counting only the distinct ones).

The product of its digits is 7200, while the sum is 29.

The square root of 142315652 is about 11929.6123994034. The cubic root of 142315652 is about 522.0966287650.

Adding to 142315652 its reverse (256513241), we get a palindrome (398828893).

The spelling of 142315652 in words is "one hundred forty-two million, three hundred fifteen thousand, six hundred fifty-two".