142911232 has 36 divisors (see below), whose sum is σ = 287231056. Its totient is φ = 70963200.

The previous prime is 142911229. The next prime is 142911269. The reversal of 142911232 is 232119241.

It is a junction number, because it is equal to n+sod(n) for n = 142911197 and 142911206.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36808 + ... + 40504.

Almost surely, 2^142911232 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 142911232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (143615528).

142911232 is an abundant number, since it is smaller than the sum of its proper divisors (144319824).

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

142911232 is an equidigital number, since it uses as much as digits as its factorization.

142911232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3864 (or 3850 counting only the distinct ones).

The product of its digits is 864, while the sum is 25.

The square root of 142911232 is about 11954.5485903902. The cubic root of 142911232 is about 522.8239264862.

The spelling of 142911232 in words is "one hundred forty-two million, nine hundred eleven thousand, two hundred thirty-two".