150625 has 10 divisors (see below), whose sum is σ = 189002. Its totient is φ = 120000.

The previous prime is 150617. The next prime is 150649. The reversal of 150625 is 526051.

It is a happy number.

It can be written as a sum of positive squares in 5 ways, for example, as 40401 + 110224 = 201^2 + 332^2 .

It is not a de Polignac number, because 150625 - 2³ = 150617 is a prime.

It is a Duffinian number.

150625 is a lucky 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 9 ways as a sum of consecutive naturals, for example, 505 + ... + 745.

2¹⁵⁰⁶²⁵ is an apocalyptic number.

It is an amenable number.

150625 is a deficient number, since it is larger than the sum of its proper divisors (38377).

150625 is an frugal number, since it uses more digits than its factorization.

150625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 261 (or 246 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 19.

The square root of 150625 is about 388.1043674065. The cubic root of 150625 is about 53.2066219356.

Adding to 150625 its reverse (526051), we get a palindrome (676676).

The spelling of 150625 in words is "one hundred fifty thousand, six hundred twenty-five".