147147992 has 8 divisors (see below), whose sum is σ = 275902500. Its totient is φ = 73573992.

The previous prime is 147147967. The next prime is 147148019. The reversal of 147147992 is 299741741.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9196742 + ... + 9196757.

Almost surely, 2^147147992 is an apocalyptic number.

It is an amenable number.

147147992 is a deficient number, since it is larger than the sum of its proper divisors (128754508).

147147992 is a wasteful number, since it uses less digits than its factorization.

147147992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18393505 (or 18393501 counting only the distinct ones).

The product of its digits is 127008, while the sum is 44.

The square root of 147147992 is about 12130.4572049037. The cubic root of 147147992 is about 527.9402576268.

The spelling of 147147992 in words is "one hundred forty-seven million, one hundred forty-seven thousand, nine hundred ninety-two".