445240125 has 128 divisors (see below), whose sum is σ = 916531200. Its totient is φ = 211464000.

The previous prime is 445240099. The next prime is 445240151. The reversal of 445240125 is 521042544.

It is an interprime number because it is at equal distance from previous prime (445240099) and next prime (445240151).

It is not a de Polignac number, because 445240125 - 2⁵ = 445240093 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 2487286 + ... + 2487464.

It is an arithmetic number, because the mean of its divisors is an integer number (7160400).

Almost surely, 2^445240125 is an apocalyptic number.

445240125 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

445240125 is an abundant number, since it is smaller than the sum of its proper divisors (471291075).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

445240125 is a wasteful number, since it uses less digits than its factorization.

445240125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 281 (or 265 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 27.

The square root of 445240125 is about 21100.7138504838. The cubic root of 445240125 is about 763.5979702984.

Adding to 445240125 its reverse (521042544), we get a palindrome (966282669).

The spelling of 445240125 in words is "four hundred forty-five million, two hundred forty thousand, one hundred twenty-five".