149015225 has 12 divisors (see below), whose sum is σ = 184946496. Its totient is φ = 119104080.

The previous prime is 149015219. The next prime is 149015227. The reversal of 149015225 is 522510941.

149015225 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 149015225 - 2⁸ = 149014969 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 (149015227) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 36644 + ... + 40506.

It is an arithmetic number, because the mean of its divisors is an integer number (15412208).

Almost surely, 2^149015225 is an apocalyptic number.

It is an amenable number.

149015225 is a deficient number, since it is larger than the sum of its proper divisors (35931271).

149015225 is a wasteful number, since it uses less digits than its factorization.

149015225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5416 (or 5411 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 29.

The square root of 149015225 is about 12207.1792401029. The cubic root of 149015225 is about 530.1639756066.

The spelling of 149015225 in words is "one hundred forty-nine million, fifteen thousand, two hundred twenty-five".