147440879 has 8 divisors (see below), whose sum is σ = 157604832. Its totient is φ = 137589760.

The previous prime is 147440863. The next prime is 147440903. The reversal of 147440879 is 978044741.

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 147440879 - 2⁴ = 147440863 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (147440809) 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, 77234 + ... + 79119.

It is an arithmetic number, because the mean of its divisors is an integer number (19700604).

Almost surely, 2^147440879 is an apocalyptic number.

147440879 is a deficient number, since it is larger than the sum of its proper divisors (10163953).

147440879 is a wasteful number, since it uses less digits than its factorization.

147440879 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156417.

The product of its (nonzero) digits is 225792, while the sum is 44.

The square root of 147440879 is about 12142.5235844943. The cubic root of 147440879 is about 528.2903005969.

The spelling of 147440879 in words is "one hundred forty-seven million, four hundred forty thousand, eight hundred seventy-nine".