45403225 has 24 divisors (see below), whose sum is σ = 64603008. Its totient is φ = 31008000.

The previous prime is 45403223. The next prime is 45403229. The reversal of 45403225 is 52230454.

45403225 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 45403225 - 2¹ = 45403223 is a prime.

It is a super-2 number, since 2×45403225² = 4122905680801250, which contains 22 as substring.

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 45403225.

It is not an unprimeable number, because it can be changed into a prime (45403223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 69852 + ... + 70498.

It is an arithmetic number, because the mean of its divisors is an integer number (2691792).

Almost surely, 2^45403225 is an apocalyptic number.

It is an amenable number.

45403225 is a deficient number, since it is larger than the sum of its proper divisors (19199783).

45403225 is a wasteful number, since it uses less digits than its factorization.

45403225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1065 (or 1060 counting only the distinct ones).

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

The square root of 45403225 is about 6738.1915229533. The cubic root of 45403225 is about 356.7485642816.

Adding to 45403225 its reverse (52230454), we get a palindrome (97633679).

The spelling of 45403225 in words is "forty-five million, four hundred three thousand, two hundred twenty-five".