142297512 has 32 divisors (see below), whose sum is σ = 406564800. Its totient is φ = 40656384.

The previous prime is 142297499. The next prime is 142297541. The reversal of 142297512 is 215792241.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 423337 + ... + 423672.

It is an arithmetic number, because the mean of its divisors is an integer number (12705150).

Almost surely, 2^142297512 is an apocalyptic number.

142297512 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

142297512 is an abundant number, since it is smaller than the sum of its proper divisors (264267288).

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

142297512 is a wasteful number, since it uses less digits than its factorization.

142297512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 847025 (or 847021 counting only the distinct ones).

The product of its digits is 10080, while the sum is 33.

The square root of 142297512 is about 11928.8520822416. The cubic root of 142297512 is about 522.0744451303.

The spelling of 142297512 in words is "one hundred forty-two million, two hundred ninety-seven thousand, five hundred twelve".