45000625 has 20 divisors (see below), whose sum is σ = 56934900. Its totient is φ = 35552000.

The previous prime is 45000619. The next prime is 45000629. The reversal of 45000625 is 52600054.

It can be written as a sum of positive squares in 10 ways, for example, as 32638369 + 12362256 = 5713^2 + 3516^2 .

It is a de Polignac number, because none of the positive numbers 2^k-45000625 is a prime.

It is a plaindrome in base 11.

It is a junction number, because it is equal to n+sod(n) for n = 45000596 and 45000605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45000629) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 55221 + ... + 56029.

It is an arithmetic number, because the mean of its divisors is an integer number (2846745).

Almost surely, 2^45000625 is an apocalyptic number.

It is an amenable number.

45000625 is a deficient number, since it is larger than the sum of its proper divisors (11934275).

45000625 is an frugal number, since it uses more digits than its factorization.

45000625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 918 (or 903 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 45000625 is about 6708.2505170871. The cubic root of 45000625 is about 355.6909771512.

Adding to 45000625 its reverse (52600054), we get a palindrome (97600679).

The spelling of 45000625 in words is "forty-five million, six hundred twenty-five", and thus it is an aban number.