45022345 has 4 divisors (see below), whose sum is σ = 54026820. Its totient is φ = 36017872.

The previous prime is 45022321. The next prime is 45022349. The reversal of 45022345 is 54322054.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 54322054 = 2 ⋅27161027.

It can be written as a sum of positive squares in 2 ways, for example, as 15515721 + 29506624 = 3939^2 + 5432^2 .

It is a cyclic number.

It is not a de Polignac number, because 45022345 - 2¹⁵ = 44989577 is a prime.

It is not an unprimeable number, because it can be changed into a prime (45022349) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4502230 + ... + 4502239.

It is an arithmetic number, because the mean of its divisors is an integer number (13506705).

Almost surely, 2^45022345 is an apocalyptic number.

It is an amenable number.

45022345 is a deficient number, since it is larger than the sum of its proper divisors (9004475).

45022345 is an equidigital number, since it uses as much as digits as its factorization.

45022345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9004474.

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

The square root of 45022345 is about 6709.8692237629. The cubic root of 45022345 is about 355.7481938781.

Adding to 45022345 its reverse (54322054), we get a palindrome (99344399).

The spelling of 45022345 in words is "forty-five million, twenty-two thousand, three hundred forty-five".