147585979 has 2 divisors, whose sum is σ = 147585980. Its totient is φ = 147585978.

The previous prime is 147585961. The next prime is 147586003. The reversal of 147585979 is 979585741.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (979585741) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 147585979 - 2⁹ = 147585467 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (147583979) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73792989 + 73792990.

It is an arithmetic number, because the mean of its divisors is an integer number (73792990).

Almost surely, 2^147585979 is an apocalyptic number.

147585979 is a deficient number, since it is larger than the sum of its proper divisors (1).

147585979 is an equidigital number, since it uses as much as digits as its factorization.

147585979 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3175200, while the sum is 55.

The square root of 147585979 is about 12148.4969852241. The cubic root of 147585979 is about 528.4635447042.

The spelling of 147585979 in words is "one hundred forty-seven million, five hundred eighty-five thousand, nine hundred seventy-nine".