45463321 has 4 divisors (see below), whose sum is σ = 48137652. Its totient is φ = 42788992.

The previous prime is 45463309. The next prime is 45463331. The reversal of 45463321 is 12336454.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 36433296 + 9030025 = 6036^2 + 3005^2 .

It is a cyclic number.

It is not a de Polignac number, because 45463321 - 2⁵ = 45463289 is a prime.

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 45463321.

It is not an unprimeable number, because it can be changed into a prime (45463331) 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, 1337140 + ... + 1337173.

It is an arithmetic number, because the mean of its divisors is an integer number (12034413).

Almost surely, 2^45463321 is an apocalyptic number.

It is an amenable number.

45463321 is a deficient number, since it is larger than the sum of its proper divisors (2674331).

45463321 is a wasteful number, since it uses less digits than its factorization.

45463321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2674330.

The product of its digits is 8640, while the sum is 28.

The square root of 45463321 is about 6742.6494050929. The cubic root of 45463321 is about 356.9058931179.

Adding to 45463321 its reverse (12336454), we get a palindrome (57799775).

The spelling of 45463321 in words is "forty-five million, four hundred sixty-three thousand, three hundred twenty-one".