150345025 has 18 divisors (see below), whose sum is σ = 198048770. Its totient is φ = 113195520.

The previous prime is 150345001. The next prime is 150345029. The reversal of 150345025 is 520543051.

It can be written as a sum of positive squares in 9 ways, for example, as 19562929 + 130782096 = 4423^2 + 11436^2 .

It is not a de Polignac number, because 150345025 - 2¹⁵ = 150312257 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is not an unprimeable number, because it can be changed into a prime (150345029) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 3180 + ... + 17629.

Almost surely, 2^150345025 is an apocalyptic number.

It is an amenable number.

150345025 is a deficient number, since it is larger than the sum of its proper divisors (47703745).

150345025 is a wasteful number, since it uses less digits than its factorization.

150345025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20853 (or 20831 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 25.

The square root of 150345025 is about 12261.5262100605. The cubic root of 150345025 is about 531.7363546108.

Adding to 150345025 its reverse (520543051), we get a palindrome (670888076).

The spelling of 150345025 in words is "one hundred fifty million, three hundred forty-five thousand, twenty-five".