147478539 has 8 divisors (see below), whose sum is σ = 211764112. Its totient is φ = 90756000.

The previous prime is 147478537. The next prime is 147478547. The reversal of 147478539 is 935874741.

It is a happy number.

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

It is not a de Polignac number, because 147478539 - 2¹ = 147478537 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (147478531) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 1890712 + ... + 1890789.

It is an arithmetic number, because the mean of its divisors is an integer number (26470514).

Almost surely, 2^147478539 is an apocalyptic number.

147478539 is a deficient number, since it is larger than the sum of its proper divisors (64285573).

147478539 is a wasteful number, since it uses less digits than its factorization.

147478539 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3781517.

The product of its digits is 846720, while the sum is 48.

The square root of 147478539 is about 12144.0742339628. The cubic root of 147478539 is about 528.3352761812.

The spelling of 147478539 in words is "one hundred forty-seven million, four hundred seventy-eight thousand, five hundred thirty-nine".