147239984 has 20 divisors (see below), whose sum is σ = 286041960. Its totient is φ = 73422720.

The previous prime is 147239971. The next prime is 147239999. The reversal of 147239984 is 489932741.

It is a super-2 number, since 2×147239984² = 43359225776640512, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6077 + ... + 18204.

It is an arithmetic number, because the mean of its divisors is an integer number (14302098).

Almost surely, 2^147239984 is an apocalyptic number.

It is an amenable number.

147239984 is a deficient number, since it is larger than the sum of its proper divisors (138801976).

147239984 is a wasteful number, since it uses less digits than its factorization.

147239984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24668 (or 24662 counting only the distinct ones).

The product of its digits is 435456, while the sum is 47.

The square root of 147239984 is about 12134.2483904031. The cubic root of 147239984 is about 528.0502515686.

The spelling of 147239984 in words is "one hundred forty-seven million, two hundred thirty-nine thousand, nine hundred eighty-four".