149525 has 6 divisors (see below), whose sum is σ = 185442. Its totient is φ = 119600.

The previous prime is 149521. The next prime is 149531. The reversal of 149525 is 525941.

149525 = 65² + 66² + ... + 89².

It can be written as a sum of positive squares in 3 ways, for example, as 529 + 148996 = 23^2 + 386^2 .

It is not a de Polignac number, because 149525 - 2² = 149521 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 149494 and 149503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149521) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2966 + ... + 3015.

It is an arithmetic number, because the mean of its divisors is an integer number (30907).

2¹⁴⁹⁵²⁵ is an apocalyptic number.

It is an amenable number.

149525 is a deficient number, since it is larger than the sum of its proper divisors (35917).

149525 is an equidigital number, since it uses as much as digits as its factorization.

149525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5991 (or 5986 counting only the distinct ones).

The product of its digits is 1800, while the sum is 26.

The square root of 149525 is about 386.6846260197. The cubic root of 149525 is about 53.0767843964.

The spelling of 149525 in words is "one hundred forty-nine thousand, five hundred twenty-five".