45003445 has 8 divisors (see below), whose sum is σ = 55321560. Its totient is φ = 35124480.

The previous prime is 45003397. The next prime is 45003449. The reversal of 45003445 is 54430054.

It can be written as a sum of positive squares in 4 ways, for example, as 820836 + 44182609 = 906^2 + 6647^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 45003445 - 2¹³ = 44995253 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45003449) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 109560 + ... + 109969.

It is an arithmetic number, because the mean of its divisors is an integer number (6915195).

Almost surely, 2^45003445 is an apocalyptic number.

It is an amenable number.

45003445 is a deficient number, since it is larger than the sum of its proper divisors (10318115).

45003445 is a wasteful number, since it uses less digits than its factorization.

45003445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 219575.

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

The square root of 45003445 is about 6708.4607027246. The cubic root of 45003445 is about 355.6984068822.

Adding to 45003445 its reverse (54430054), we get a palindrome (99433499).

The spelling of 45003445 in words is "forty-five million, three thousand, four hundred forty-five".