142235152 has 20 divisors (see below), whose sum is σ = 279464256. Its totient is φ = 70115360.

The previous prime is 142235143. The next prime is 142235179. The reversal of 142235152 is 251532241.

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, 61468 + ... + 63739.

Almost surely, 2^142235152 is an apocalyptic number.

It is an amenable number.

142235152 is a deficient number, since it is larger than the sum of its proper divisors (137229104).

142235152 is a wasteful number, since it uses less digits than its factorization.

142235152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125286 (or 125280 counting only the distinct ones).

The product of its digits is 2400, while the sum is 25.

The square root of 142235152 is about 11926.2379650919. The cubic root of 142235152 is about 521.9981699167.

Adding to 142235152 its reverse (251532241), we get a palindrome (393767393).

The spelling of 142235152 in words is "one hundred forty-two million, two hundred thirty-five thousand, one hundred fifty-two".