142565452 has 12 divisors (see below), whose sum is σ = 249631200. Its totient is φ = 71242256.

The previous prime is 142565447. The next prime is 142565471. The reversal of 142565452 is 254565241.

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 3 ways as a sum of consecutive naturals, for example, 1348 + ... + 16939.

It is an arithmetic number, because the mean of its divisors is an integer number (20802600).

Almost surely, 2^142565452 is an apocalyptic number.

It is an amenable number.

142565452 is a deficient number, since it is larger than the sum of its proper divisors (107065748).

142565452 is a wasteful number, since it uses less digits than its factorization.

142565452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20240 (or 20238 counting only the distinct ones).

The product of its digits is 48000, while the sum is 34.

The square root of 142565452 is about 11940.0775541870. The cubic root of 142565452 is about 522.4019208014.

The spelling of 142565452 in words is "one hundred forty-two million, five hundred sixty-five thousand, four hundred fifty-two".