142441232 has 20 divisors (see below), whose sum is σ = 292214556. Its totient is φ = 67031040.

The previous prime is 142441213. The next prime is 142441259. The reversal of 142441232 is 232144241.

142441232 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 121793296 + 20647936 = 11036^2 + 4544^2 .

It is a junction number, because it is equal to n+sod(n) for n = 142441198 and 142441207.

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, 261569 + ... + 262112.

Almost surely, 2^142441232 is an apocalyptic number.

It is an amenable number.

142441232 is an abundant number, since it is smaller than the sum of its proper divisors (149773324).

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

142441232 is a wasteful number, since it uses less digits than its factorization.

142441232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 523706 (or 523700 counting only the distinct ones).

The product of its digits is 1536, while the sum is 23.

The square root of 142441232 is about 11934.8746118256. The cubic root of 142441232 is about 522.2501504572.

Adding to 142441232 its reverse (232144241), we get a palindrome (374585473).

The spelling of 142441232 in words is "one hundred forty-two million, four hundred forty-one thousand, two hundred thirty-two".