149725 has 12 divisors (see below), whose sum is σ = 190836. Its totient is φ = 116480.

The previous prime is 149717. The next prime is 149729. The reversal of 149725 is 527941.

It is a happy number.

149725 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 6 ways, for example, as 17956 + 131769 = 134^2 + 363^2 .

It is not a de Polignac number, because 149725 - 2³ = 149717 is a prime.

It is a Duffinian number.

149725 is a lucky number.

It is a plaindrome in base 16.

It is a junction number, because it is equal to n+sod(n) for n = 149693 and 149702.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149729) 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, 1269 + ... + 1381.

It is an arithmetic number, because the mean of its divisors is an integer number (15903).

2¹⁴⁹⁷²⁵ is an apocalyptic number.

It is an amenable number.

149725 is a deficient number, since it is larger than the sum of its proper divisors (41111).

149725 is a wasteful number, since it uses less digits than its factorization.

149725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 176 (or 171 counting only the distinct ones).

The product of its digits is 2520, while the sum is 28.

The square root of 149725 is about 386.9431482789. The cubic root of 149725 is about 53.1004384731.

The spelling of 149725 in words is "one hundred forty-nine thousand, seven hundred twenty-five".