147904 has 14 divisors (see below), whose sum is σ = 293624. Its totient is φ = 73920.

The previous prime is 147881. The next prime is 147919. The reversal of 147904 is 409741.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 1092 + ... + 1219.

2¹⁴⁷⁹⁰⁴ is an apocalyptic number.

It is an amenable number.

147904 is a deficient number, since it is larger than the sum of its proper divisors (145720).

147904 is an equidigital number, since it uses as much as digits as its factorization.

147904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2323 (or 2313 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 25.

The square root of 147904 is about 384.5828909351. The cubic root of 147904 is about 52.8842853397.

The spelling of 147904 in words is "one hundred forty-seven thousand, nine hundred four".