147904317 has 24 divisors (see below), whose sum is σ = 240584448. Its totient is φ = 86745600.

The previous prime is 147904313. The next prime is 147904319. The reversal of 147904317 is 713409741.

It is not a de Polignac number, because 147904317 - 2² = 147904313 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (147904313) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 21028 + ... + 27165.

It is an arithmetic number, because the mean of its divisors is an integer number (10024352).

Almost surely, 2^147904317 is an apocalyptic number.

It is an amenable number.

147904317 is a deficient number, since it is larger than the sum of its proper divisors (92680131).

147904317 is a wasteful number, since it uses less digits than its factorization.

147904317 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48241 (or 48238 counting only the distinct ones).

The product of its (nonzero) digits is 21168, while the sum is 36.

The square root of 147904317 is about 12161.5918777107. The cubic root of 147904317 is about 528.8432312170.

The spelling of 147904317 in words is "one hundred forty-seven million, nine hundred four thousand, three hundred seventeen".