147992 has 16 divisors (see below), whose sum is σ = 299040. Its totient is φ = 68256.

The previous prime is 147977. The next prime is 147997. The reversal of 147992 is 299741.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 147992.

It is not an unprimeable number, because it can be changed into a prime (147997) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 608 + ... + 815.

It is an arithmetic number, because the mean of its divisors is an integer number (18690).

2¹⁴⁷⁹⁹² is an apocalyptic number.

It is an amenable number.

147992 is an abundant number, since it is smaller than the sum of its proper divisors (151048).

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

147992 is a wasteful number, since it uses less digits than its factorization.

147992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1442 (or 1438 counting only the distinct ones).

The product of its digits is 4536, while the sum is 32.

The square root of 147992 is about 384.6972835880. The cubic root of 147992 is about 52.8947716336.

The spelling of 147992 in words is "one hundred forty-seven thousand, nine hundred ninety-two".