142290324 has 48 divisors (see below), whose sum is σ = 402440640. Its totient is φ = 43117920.

The previous prime is 142290307. The next prime is 142290331. The reversal of 142290324 is 423092241.

142290324 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 58699 + ... + 61074.

It is an arithmetic number, because the mean of its divisors is an integer number (8384180).

Almost surely, 2^142290324 is an apocalyptic number.

It is an amenable number.

142290324 is an abundant number, since it is smaller than the sum of its proper divisors (260150316).

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

142290324 is a wasteful number, since it uses less digits than its factorization.

142290324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119797 (or 119789 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 142290324 is about 11928.5507921122. The cubic root of 142290324 is about 522.0656543130.

The spelling of 142290324 in words is "one hundred forty-two million, two hundred ninety thousand, three hundred twenty-four".