44450545 has 4 divisors (see below), whose sum is σ = 53340660. Its totient is φ = 35560432.

The previous prime is 44450543. The next prime is 44450573. The reversal of 44450545 is 54505444.

It is a happy number.

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 21372129 + 23078416 = 4623^2 + 4804^2 .

It is a cyclic number.

It is not a de Polignac number, because 44450545 - 2¹ = 44450543 is a prime.

It is not an unprimeable number, because it can be changed into a prime (44450543) 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, 4445050 + ... + 4445059.

It is an arithmetic number, because the mean of its divisors is an integer number (13335165).

Almost surely, 2^44450545 is an apocalyptic number.

It is an amenable number.

44450545 is a deficient number, since it is larger than the sum of its proper divisors (8890115).

44450545 is an equidigital number, since it uses as much as digits as its factorization.

44450545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8890114.

The product of its (nonzero) digits is 32000, while the sum is 31.

The square root of 44450545 is about 6667.1241926336. The cubic root of 44450545 is about 354.2357293385.

Adding to 44450545 its reverse (54505444), we get a palindrome (98955989).

The spelling of 44450545 in words is "forty-four million, four hundred fifty thousand, five hundred forty-five".