45430225 has 12 divisors (see below), whose sum is σ = 56420620. Its totient is φ = 36288000.

The previous prime is 45430223. The next prime is 45430237. The reversal of 45430225 is 52203454.

It can be written as a sum of positive squares in 6 ways, for example, as 8573184 + 36857041 = 2928^2 + 6071^2 .

It is not a de Polignac number, because 45430225 - 2¹ = 45430223 is a prime.

It is a hoax number, since the sum of its digits (25) coincides with the sum of the digits of its distinct prime factors.

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

It is a self number, because there is not a number n which added to its sum of digits gives 45430225.

It is not an unprimeable number, because it can be changed into a prime (45430223) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 24325 + ... + 26125.

Almost surely, 2^45430225 is an apocalyptic number.

It is an amenable number.

45430225 is a deficient number, since it is larger than the sum of its proper divisors (10990395).

45430225 is a wasteful number, since it uses less digits than its factorization.

45430225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2820 (or 2815 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 25.

The square root of 45430225 is about 6740.1947301246. The cubic root of 45430225 is about 356.8192663263.

Adding to 45430225 its reverse (52203454), we get a palindrome (97633679).

The spelling of 45430225 in words is "forty-five million, four hundred thirty thousand, two hundred twenty-five".