148749597 has 12 divisors (see below), whose sum is σ = 217076860. Its totient is φ = 98143488.

The previous prime is 148749589. The next prime is 148749617. The reversal of 148749597 is 795947841.

148749597 is a `hidden beast` number, since 1 + 4 + 8 + 7 + 49 + 597 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 60746436 + 88003161 = 7794^2 + 9381^2 .

It is not a de Polignac number, because 148749597 - 2³ = 148749589 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (148749547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 84322 + ... + 86067.

Almost surely, 2^148749597 is an apocalyptic number.

It is an amenable number.

148749597 is a deficient number, since it is larger than the sum of its proper divisors (68327263).

148749597 is a wasteful number, since it uses less digits than its factorization.

148749597 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170492 (or 170489 counting only the distinct ones).

The product of its digits is 2540160, while the sum is 54.

The square root of 148749597 is about 12196.2943962500. The cubic root of 148749597 is about 529.8487725651.

The spelling of 148749597 in words is "one hundred forty-eight million, seven hundred forty-nine thousand, five hundred ninety-seven".