142215332 has 24 divisors (see below), whose sum is σ = 284731776. Its totient is φ = 60884928.

The previous prime is 142215317. The next prime is 142215341. The reversal of 142215332 is 233512241.

It is a junction number, because it is equal to n+sod(n) for n = 142215298 and 142215307.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32168 + ... + 36320.

It is an arithmetic number, because the mean of its divisors is an integer number (11863824).

Almost surely, 2^142215332 is an apocalyptic number.

It is an amenable number.

142215332 is an abundant number, since it is smaller than the sum of its proper divisors (142516444).

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

142215332 is a wasteful number, since it uses less digits than its factorization.

142215332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5387 (or 5385 counting only the distinct ones).

The product of its digits is 1440, while the sum is 23.

The square root of 142215332 is about 11925.4069951512. The cubic root of 142215332 is about 521.9739225485.

Adding to 142215332 its reverse (233512241), we get a palindrome (375727573).

The spelling of 142215332 in words is "one hundred forty-two million, two hundred fifteen thousand, three hundred thirty-two".