148474589 has 2 divisors, whose sum is σ = 148474590. Its totient is φ = 148474588.

The previous prime is 148474511. The next prime is 148474597. The reversal of 148474589 is 985474841.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 146047225 + 2427364 = 12085^2 + 1558^2 .

It is a cyclic number.

It is not a de Polignac number, because 148474589 - 2²⁴ = 131697373 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (148474289) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74237294 + 74237295.

It is an arithmetic number, because the mean of its divisors is an integer number (74237295).

Almost surely, 2^148474589 is an apocalyptic number.

It is an amenable number.

148474589 is a deficient number, since it is larger than the sum of its proper divisors (1).

148474589 is an equidigital number, since it uses as much as digits as its factorization.

148474589 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1290240, while the sum is 50.

The square root of 148474589 is about 12185.0149363881. The cubic root of 148474589 is about 529.5220432959.

The spelling of 148474589 in words is "one hundred forty-eight million, four hundred seventy-four thousand, five hundred eighty-nine".