149225 has 12 divisors (see below), whose sum is σ = 190464. Its totient is φ = 115920.

The previous prime is 149213. The next prime is 149239. The reversal of 149225 is 522941.

149225 = 2² + 3² + ... + 76².

149225 is nontrivially palindromic in base 11.

149225 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 149225 - 2⁶ = 149161 is a prime.

It is an Ulam number.

It is a Duffinian number.

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 149225.

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, 1112 + ... + 1238.

It is an arithmetic number, because the mean of its divisors is an integer number (15872).

2¹⁴⁹²²⁵ is an apocalyptic number.

It is an amenable number.

149225 is a deficient number, since it is larger than the sum of its proper divisors (41239).

149225 is a wasteful number, since it uses less digits than its factorization.

149225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 184 (or 179 counting only the distinct ones).

The product of its digits is 720, while the sum is 23.

The square root of 149225 is about 386.2965182344. The cubic root of 149225 is about 53.0412637002.

The spelling of 149225 in words is "one hundred forty-nine thousand, two hundred twenty-five".