45331445 has 16 divisors (see below), whose sum is σ = 55965168. Its totient is φ = 35228160.

The previous prime is 45331439. The next prime is 45331457. The reversal of 45331445 is 54413354.

It can be written as a sum of positive squares in 8 ways, for example, as 10745284 + 34586161 = 3278^2 + 5881^2 .

It is not a de Polignac number, because 45331445 - 2⁶ = 45331381 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 81107 + ... + 81663.

It is an arithmetic number, because the mean of its divisors is an integer number (3497823).

Almost surely, 2^45331445 is an apocalyptic number.

It is an amenable number.

45331445 is a deficient number, since it is larger than the sum of its proper divisors (10633723).

45331445 is a wasteful number, since it uses less digits than its factorization.

45331445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1000.

The product of its digits is 14400, while the sum is 29.

The square root of 45331445 is about 6732.8630611353. The cubic root of 45331445 is about 356.5604651730.

Adding to 45331445 its reverse (54413354), we get a palindrome (99744799).

The spelling of 45331445 in words is "forty-five million, three hundred thirty-one thousand, four hundred forty-five".