142232844 has 24 divisors (see below), whose sum is σ = 357406000. Its totient is φ = 43763904.

The previous prime is 142232843. The next prime is 142232869. The reversal of 142232844 is 448232241.

It is not an unprimeable number, because it can be changed into a prime (142232843) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 455719 + ... + 456030.

Almost surely, 2^142232844 is an apocalyptic number.

It is an amenable number.

142232844 is an abundant number, since it is smaller than the sum of its proper divisors (215173156).

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

142232844 is a wasteful number, since it uses less digits than its factorization.

142232844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 911769 (or 911767 counting only the distinct ones).

The product of its digits is 12288, while the sum is 30.

The square root of 142232844 is about 11926.1412032560. The cubic root of 142232844 is about 521.9953464743.

The spelling of 142232844 in words is "one hundred forty-two million, two hundred thirty-two thousand, eight hundred forty-four".