147944939 has 8 divisors (see below), whose sum is σ = 150427200. Its totient is φ = 145475136.

The previous prime is 147944893. The next prime is 147944969. The reversal of 147944939 is 939449741.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 147944939 - 2²⁴ = 131167723 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (147944969) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22574 + ... + 28380.

It is an arithmetic number, because the mean of its divisors is an integer number (18803400).

Almost surely, 2^147944939 is an apocalyptic number.

147944939 is a deficient number, since it is larger than the sum of its proper divisors (2482261).

147944939 is an equidigital number, since it uses as much as digits as its factorization.

147944939 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6229.

The product of its digits is 979776, while the sum is 50.

The square root of 147944939 is about 12163.2618569198. The cubic root of 147944939 is about 528.8916424776.

The spelling of 147944939 in words is "one hundred forty-seven million, nine hundred forty-four thousand, nine hundred thirty-nine".