45001045 has 4 divisors (see below), whose sum is σ = 54001260. Its totient is φ = 36000832.

The previous prime is 45001039. The next prime is 45001049. The reversal of 45001045 is 54010054.

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 28281124 + 16719921 = 5318^2 + 4089^2 .

It is a cyclic number.

It is not a de Polignac number, because 45001045 - 2⁵ = 45001013 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45001049) 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, 4500100 + ... + 4500109.

It is an arithmetic number, because the mean of its divisors is an integer number (13500315).

Almost surely, 2^45001045 is an apocalyptic number.

It is an amenable number.

45001045 is a deficient number, since it is larger than the sum of its proper divisors (9000215).

45001045 is an equidigital number, since it uses as much as digits as its factorization.

45001045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9000214.

The product of its (nonzero) digits is 400, while the sum is 19.

The square root of 45001045 is about 6708.2818217484. The cubic root of 45001045 is about 355.6920837266.

Adding to 45001045 its reverse (54010054), we get a palindrome (99011099).

Subtracting 45001045 from its reverse (54010054), we obtain a palindrome (9009009).

The spelling of 45001045 in words is "forty-five million, one thousand, forty-five".