45251125 has 16 divisors (see below), whose sum is σ = 56661696. Its totient is φ = 36080400.

The previous prime is 45251123. The next prime is 45251153. The reversal of 45251125 is 52115254.

It is not a de Polignac number, because 45251125 - 2¹ = 45251123 is a prime.

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

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 45251125.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45251123) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 70054 + ... + 70696.

It is an arithmetic number, because the mean of its divisors is an integer number (3541356).

Almost surely, 2^45251125 is an apocalyptic number.

It is an amenable number.

45251125 is a deficient number, since it is larger than the sum of its proper divisors (11410571).

45251125 is an equidigital number, since it uses as much as digits as its factorization.

45251125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1221 (or 1211 counting only the distinct ones).

The product of its digits is 2000, while the sum is 25.

The square root of 45251125 is about 6726.8956436086. The cubic root of 45251125 is about 356.3497514859.

Adding to 45251125 its reverse (52115254), we get a palindrome (97366379).

The spelling of 45251125 in words is "forty-five million, two hundred fifty-one thousand, one hundred twenty-five".