147472239 has 8 divisors (see below), whose sum is σ = 202972672. Its totient is φ = 95143320.

The previous prime is 147472231. The next prime is 147472249. The reversal of 147472239 is 932274741.

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

It is not a de Polignac number, because 147472239 - 2³ = 147472231 is a prime.

It is a super-2 number, since 2×147472239² = 43496122551346242, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 147472197 and 147472206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (147472231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 792769 + ... + 792954.

It is an arithmetic number, because the mean of its divisors is an integer number (25371584).

Almost surely, 2^147472239 is an apocalyptic number.

147472239 is a deficient number, since it is larger than the sum of its proper divisors (55500433).

147472239 is a wasteful number, since it uses less digits than its factorization.

147472239 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1585757.

The product of its digits is 84672, while the sum is 39.

The square root of 147472239 is about 12143.8148454265. The cubic root of 147472239 is about 528.3277529179.

The spelling of 147472239 in words is "one hundred forty-seven million, four hundred seventy-two thousand, two hundred thirty-nine".