149306625 has 128 divisors (see below), whose sum is σ = 308206080. Its totient is φ = 70848000.

The previous prime is 149306611. The next prime is 149306629. The reversal of 149306625 is 526603941.

It is a happy number.

It is not a de Polignac number, because 149306625 - 2⁴ = 149306609 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 149306625.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149306629) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 1798834 + ... + 1798916.

It is an arithmetic number, because the mean of its divisors is an integer number (2407860).

Almost surely, 2^149306625 is an apocalyptic number.

149306625 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

149306625 is an abundant number, since it is smaller than the sum of its proper divisors (158899455).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

149306625 is a wasteful number, since it uses less digits than its factorization.

149306625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161 (or 145 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 36.

The square root of 149306625 is about 12219.1090100711. The cubic root of 149306625 is about 530.5093300045.

The spelling of 149306625 in words is "one hundred forty-nine million, three hundred six thousand, six hundred twenty-five".