147046489 has 2 divisors, whose sum is σ = 147046490. Its totient is φ = 147046488.

The previous prime is 147046483. The next prime is 147046511. The reversal of 147046489 is 984640741.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 99201600 + 47844889 = 9960^2 + 6917^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-147046489 is a prime.

It is not a weakly prime, because it can be changed into another prime (147046483) 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 as a sum of consecutive naturals, namely, 73523244 + 73523245.

It is an arithmetic number, because the mean of its divisors is an integer number (73523245).

Almost surely, 2^147046489 is an apocalyptic number.

It is an amenable number.

147046489 is a deficient number, since it is larger than the sum of its proper divisors (1).

147046489 is an equidigital number, since it uses as much as digits as its factorization.

147046489 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 193536, while the sum is 43.

The square root of 147046489 is about 12126.2726754762. The cubic root of 147046489 is about 527.8188382640.

The spelling of 147046489 in words is "one hundred forty-seven million, forty-six thousand, four hundred eighty-nine".