142147012 has 12 divisors (see below), whose sum is σ = 284294080. Its totient is φ = 60920136.

The previous prime is 142146971. The next prime is 142147051. The reversal of 142147012 is 210741241.

142147012 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2538312 + ... + 2538367.

Almost surely, 2^142147012 is an apocalyptic number.

It is an amenable number.

142147012 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

142147012 is a wasteful number, since it uses less digits than its factorization.

142147012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5076690 (or 5076688 counting only the distinct ones).

The product of its (nonzero) digits is 448, while the sum is 22.

The square root of 142147012 is about 11922.5421785792. The cubic root of 142147012 is about 521.8903240364.

Adding to 142147012 its reverse (210741241), we get a palindrome (352888253).

The spelling of 142147012 in words is "one hundred forty-two million, one hundred forty-seven thousand, twelve".