147499369 has 2 divisors, whose sum is σ = 147499370. Its totient is φ = 147499368.

The previous prime is 147499349. The next prime is 147499381. The reversal of 147499369 is 963994741.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 139546969 + 7952400 = 11813^2 + 2820^2 .

It is a cyclic number.

It is not a de Polignac number, because 147499369 - 2²¹ = 145402217 is a prime.

It is a super-2 number, since 2×147499369² = 43512127710796322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (147499309) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73749684 + 73749685.

It is an arithmetic number, because the mean of its divisors is an integer number (73749685).

Almost surely, 2^147499369 is an apocalyptic number.

It is an amenable number.

147499369 is a deficient number, since it is larger than the sum of its proper divisors (1).

147499369 is an equidigital number, since it uses as much as digits as its factorization.

147499369 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1469664, while the sum is 52.

The square root of 147499369 is about 12144.9318236044. The cubic root of 147499369 is about 528.3601491916.

The spelling of 147499369 in words is "one hundred forty-seven million, four hundred ninety-nine thousand, three hundred sixty-nine".