147431513 has 2 divisors, whose sum is σ = 147431514. Its totient is φ = 147431512.

The previous prime is 147431483. The next prime is 147431539. The reversal of 147431513 is 315134741.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 133911184 + 13520329 = 11572^2 + 3677^2 .

It is a cyclic number.

It is not a de Polignac number, because 147431513 - 2²² = 143237209 is a prime.

It is not a weakly prime, because it can be changed into another prime (147431573) 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, 73715756 + 73715757.

It is an arithmetic number, because the mean of its divisors is an integer number (73715757).

Almost surely, 2^147431513 is an apocalyptic number.

It is an amenable number.

147431513 is a deficient number, since it is larger than the sum of its proper divisors (1).

147431513 is an equidigital number, since it uses as much as digits as its factorization.

147431513 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5040, while the sum is 29.

The square root of 147431513 is about 12142.1379089516. The cubic root of 147431513 is about 528.2791140301.

The spelling of 147431513 in words is "one hundred forty-seven million, four hundred thirty-one thousand, five hundred thirteen".