147254939 has 12 divisors (see below), whose sum is σ = 160299216. Its totient is φ = 135207072.

The previous prime is 147254927. The next prime is 147254941. The reversal of 147254939 is 939452741.

It is not a de Polignac number, because 147254939 - 2²⁰ = 146206363 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 147254939.

It is not an unprimeable number, because it can be changed into a prime (147254839) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 31082 + ... + 35504.

It is an arithmetic number, because the mean of its divisors is an integer number (13358268).

Almost surely, 2^147254939 is an apocalyptic number.

147254939 is a deficient number, since it is larger than the sum of its proper divisors (13044277).

147254939 is a wasteful number, since it uses less digits than its factorization.

147254939 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4646 (or 4633 counting only the distinct ones).

The product of its digits is 272160, while the sum is 44.

The square root of 147254939 is about 12134.8646057548. The cubic root of 147254939 is about 528.0681287873.

The spelling of 147254939 in words is "one hundred forty-seven million, two hundred fifty-four thousand, nine hundred thirty-nine".