147575497 has 2 divisors, whose sum is σ = 147575498. Its totient is φ = 147575496.

The previous prime is 147575387. The next prime is 147575503. The reversal of 147575497 is 794575741.

147575497 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 109432521 + 38142976 = 10461^2 + 6176^2 .

It is a cyclic number.

It is not a de Polignac number, because 147575497 - 2⁷ = 147575369 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 147575497.

It is not a weakly prime, because it can be changed into another prime (147585497) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73787748 + 73787749.

It is an arithmetic number, because the mean of its divisors is an integer number (73787749).

Almost surely, 2^147575497 is an apocalyptic number.

It is an amenable number.

147575497 is a deficient number, since it is larger than the sum of its proper divisors (1).

147575497 is an equidigital number, since it uses as much as digits as its factorization.

147575497 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1234800, while the sum is 49.

The square root of 147575497 is about 12148.0655661714. The cubic root of 147575497 is about 528.4510333847.

The spelling of 147575497 in words is "one hundred forty-seven million, five hundred seventy-five thousand, four hundred ninety-seven".