142154512 has 20 divisors (see below), whose sum is σ = 276215580. Its totient is φ = 70873088.

The previous prime is 142154497. The next prime is 142154521. The reversal of 142154512 is 215451241.

It can be written as a sum of positive squares in 2 ways, for example, as 45643536 + 96510976 = 6756^2 + 9824^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6937 + ... + 18232.

It is an arithmetic number, because the mean of its divisors is an integer number (13810779).

Almost surely, 2^142154512 is an apocalyptic number.

It is an amenable number.

142154512 is a deficient number, since it is larger than the sum of its proper divisors (134061068).

142154512 is a wasteful number, since it uses less digits than its factorization.

142154512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25530 (or 25524 counting only the distinct ones).

The product of its digits is 1600, while the sum is 25.

The square root of 142154512 is about 11922.8567046660. The cubic root of 142154512 is about 521.8995025822.

The spelling of 142154512 in words is "one hundred forty-two million, one hundred fifty-four thousand, five hundred twelve".