45223425 has 36 divisors (see below), whose sum is σ = 87236604. Its totient is φ = 22262400.

The previous prime is 45223421. The next prime is 45223429. The reversal of 45223425 is 52432254.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (45223421) and next prime (45223429).

It can be written as a sum of positive squares in 6 ways, for example, as 10188864 + 35034561 = 3192^2 + 5919^2 .

It is not a de Polignac number, because 45223425 - 2² = 45223421 is a prime.

It is not an unprimeable number, because it can be changed into a prime (45223421) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 4806 + ... + 10655.

It is an arithmetic number, because the mean of its divisors is an integer number (2423239).

Almost surely, 2^45223425 is an apocalyptic number.

45223425 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

45223425 is a deficient number, since it is larger than the sum of its proper divisors (42013179).

45223425 is a wasteful number, since it uses less digits than its factorization.

45223425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15490 (or 15482 counting only the distinct ones).

The product of its digits is 9600, while the sum is 27.

The square root of 45223425 is about 6724.8364292375. The cubic root of 45223425 is about 356.2770247274.

Adding to 45223425 its reverse (52432254), we get a palindrome (97655679).

The spelling of 45223425 in words is "forty-five million, two hundred twenty-three thousand, four hundred twenty-five".