142516242 has 24 divisors (see below), whose sum is σ = 336857040. Its totient is φ = 43186680.

The previous prime is 142516163. The next prime is 142516243. The reversal of 142516242 is 242615241.

142516242 is a `hidden beast` number, since 14 + 25 + 1 + 624 + 2 = 666.

It is not an unprimeable number, because it can be changed into a prime (142516243) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 359692 + ... + 360087.

It is an arithmetic number, because the mean of its divisors is an integer number (14035710).

Almost surely, 2^142516242 is an apocalyptic number.

142516242 is an abundant number, since it is smaller than the sum of its proper divisors (194340798).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

142516242 is a wasteful number, since it uses less digits than its factorization.

142516242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 719798 (or 719795 counting only the distinct ones).

The product of its digits is 3840, while the sum is 27.

The square root of 142516242 is about 11938.0166694472. The cubic root of 142516242 is about 522.3418072264.

The spelling of 142516242 in words is "one hundred forty-two million, five hundred sixteen thousand, two hundred forty-two".