142288532 has 48 divisors (see below), whose sum is σ = 265446720. Its totient is φ = 66643200.

The previous prime is 142288513. The next prime is 142288537. The reversal of 142288532 is 235882241.

It is a junction number, because it is equal to n+sod(n) for n = 142288492 and 142288501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142288537) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 794819 + ... + 794997.

It is an arithmetic number, because the mean of its divisors is an integer number (5530140).

Almost surely, 2^142288532 is an apocalyptic number.

It is an amenable number.

142288532 is a deficient number, since it is larger than the sum of its proper divisors (123158188).

142288532 is a wasteful number, since it uses less digits than its factorization.

142288532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 392 (or 390 counting only the distinct ones).

The product of its digits is 30720, while the sum is 35.

The square root of 142288532 is about 11928.4756779733. The cubic root of 142288532 is about 522.0634626775.

The spelling of 142288532 in words is "one hundred forty-two million, two hundred eighty-eight thousand, five hundred thirty-two".