142880132 has 12 divisors (see below), whose sum is σ = 250168716. Its totient is φ = 71403360.

The previous prime is 142880119. The next prime is 142880137. The reversal of 142880132 is 231088241.

It can be written as a sum of positive squares in 2 ways, for example, as 112232836 + 30647296 = 10594^2 + 5536^2 .

It is a junction number, because it is equal to n+sod(n) for n = 142880095 and 142880104.

It is not an unprimeable number, because it can be changed into a prime (142880137) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 782 + ... + 16922.

It is an arithmetic number, because the mean of its divisors is an integer number (20847393).

Almost surely, 2^142880132 is an apocalyptic number.

It is an amenable number.

142880132 is a deficient number, since it is larger than the sum of its proper divisors (107288584).

142880132 is a wasteful number, since it uses less digits than its factorization.

142880132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18358 (or 18356 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 29.

The square root of 142880132 is about 11953.2477595003. The cubic root of 142880132 is about 522.7859985046.

The spelling of 142880132 in words is "one hundred forty-two million, eight hundred eighty thousand, one hundred thirty-two".