149125 has 8 divisors (see below), whose sum is σ = 186264. Its totient is φ = 119200.

The previous prime is 149119. The next prime is 149143. The reversal of 149125 is 521941.

It can be written as a sum of positive squares in 4 ways, for example, as 6241 + 142884 = 79^2 + 378^2 .

It is not a de Polignac number, because 149125 - 2⁷ = 148997 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 149096 and 149105.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 472 + ... + 721.

It is an arithmetic number, because the mean of its divisors is an integer number (23283).

2¹⁴⁹¹²⁵ is an apocalyptic number.

It is an amenable number.

149125 is a deficient number, since it is larger than the sum of its proper divisors (37139).

149125 is an equidigital number, since it uses as much as digits as its factorization.

149125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1208 (or 1198 counting only the distinct ones).

The product of its digits is 360, while the sum is 22.

The square root of 149125 is about 386.1670622930. The cubic root of 149125 is about 53.0294128896.

Subtracting 149125 from its reverse (521941), we obtain a triangular number (372816 = T₈₆₃).

The spelling of 149125 in words is "one hundred forty-nine thousand, one hundred twenty-five".