142647652 has 12 divisors (see below), whose sum is σ = 285295360. Its totient is φ = 61134696.

The previous prime is 142647613. The next prime is 142647667. The reversal of 142647652 is 256746241.

142647652 is an admirable number.

It is a super-2 number, since 2×142647652² = 40696705242226208, which contains 22 as substring.

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, 2547252 + ... + 2547307.

Almost surely, 2^142647652 is an apocalyptic number.

It is an amenable number.

142647652 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.

142647652 is a wasteful number, since it uses less digits than its factorization.

142647652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5094570 (or 5094568 counting only the distinct ones).

The product of its digits is 80640, while the sum is 37.

The square root of 142647652 is about 11943.5192468552. The cubic root of 142647652 is about 522.5023032033.

The spelling of 142647652 in words is "one hundred forty-two million, six hundred forty-seven thousand, six hundred fifty-two".