45370625 has 20 divisors (see below), whose sum is σ = 57122340. Its totient is φ = 36024000.

The previous prime is 45370571. The next prime is 45370627. The reversal of 45370625 is 52607354.

It can be written as a sum of positive squares in 10 ways, for example, as 35378704 + 9991921 = 5948^2 + 3161^2 .

It is not a de Polignac number, because 45370625 - 2²⁰ = 44322049 is a prime.

It is a super-2 number, since 2×45370625² = 4116987225781250, which contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 45370591 and 45370600.

It is not an unprimeable number, because it can be changed into a prime (45370627) 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, 142967 + ... + 143283.

It is an arithmetic number, because the mean of its divisors is an integer number (2856117).

Almost surely, 2^45370625 is an apocalyptic number.

It is an amenable number.

45370625 is a deficient number, since it is larger than the sum of its proper divisors (11751715).

45370625 is an equidigital number, since it uses as much as digits as its factorization.

45370625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 566 (or 551 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 32.

The square root of 45370625 is about 6735.7720418672. The cubic root of 45370625 is about 356.6631607462.

Adding to 45370625 its reverse (52607354), we get a palindrome (97977979).

The spelling of 45370625 in words is "forty-five million, three hundred seventy thousand, six hundred twenty-five".