149688325 has 12 divisors (see below), whose sum is σ = 188158468. Its totient is φ = 118108800.

The previous prime is 149688313. The next prime is 149688337. The reversal of 149688325 is 523886941.

It is an interprime number because it is at equal distance from previous prime (149688313) and next prime (149688337).

It can be written as a sum of positive squares in 6 ways, for example, as 7935489 + 141752836 = 2817^2 + 11906^2 .

It is not a de Polignac number, because 149688325 - 2¹⁷ = 149557253 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 39186 + ... + 42835.

Almost surely, 2^149688325 is an apocalyptic number.

It is an amenable number.

149688325 is a deficient number, since it is larger than the sum of its proper divisors (38470143).

149688325 is an equidigital number, since it uses as much as digits as its factorization.

149688325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82104 (or 82099 counting only the distinct ones).

The product of its digits is 414720, while the sum is 46.

The square root of 149688325 is about 12234.7180188184. The cubic root of 149688325 is about 530.9610248465.

The spelling of 149688325 in words is "one hundred forty-nine million, six hundred eighty-eight thousand, three hundred twenty-five".