147992764 has 12 divisors (see below), whose sum is σ = 270247824. Its totient is φ = 70779104.

The previous prime is 147992737. The next prime is 147992773. The reversal of 147992764 is 467299741.

It is a congruent 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, 804217 + ... + 804400.

It is an arithmetic number, because the mean of its divisors is an integer number (22520652).

Almost surely, 2^147992764 is an apocalyptic number.

It is an amenable number.

147992764 is a deficient number, since it is larger than the sum of its proper divisors (122255060).

147992764 is a wasteful number, since it uses less digits than its factorization.

147992764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1608644 (or 1608642 counting only the distinct ones).

The product of its digits is 762048, while the sum is 49.

The square root of 147992764 is about 12165.2276591932. The cubic root of 147992764 is about 528.9486265554.

The spelling of 147992764 in words is "one hundred forty-seven million, nine hundred ninety-two thousand, seven hundred sixty-four".