142331964 has 48 divisors (see below), whose sum is σ = 351456000. Its totient is φ = 44706816.

The previous prime is 142331957. The next prime is 142331989. The reversal of 142331964 is 469133241.

142331964 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 43804 + ... + 46940.

It is an arithmetic number, because the mean of its divisors is an integer number (7322000).

Almost surely, 2^142331964 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 142331964, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (175728000).

142331964 is an abundant number, since it is smaller than the sum of its proper divisors (209124036).

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

142331964 is a wasteful number, since it uses less digits than its factorization.

142331964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3362 (or 3360 counting only the distinct ones).

The product of its digits is 15552, while the sum is 33.

The square root of 142331964 is about 11930.2960566786. The cubic root of 142331964 is about 522.1165753057.

The spelling of 142331964 in words is "one hundred forty-two million, three hundred thirty-one thousand, nine hundred sixty-four".