45444250505 has 12 divisors (see below), whose sum is σ = 55830816900. Its totient is φ = 35509918752.

The previous prime is 45444250499. The next prime is 45444250507. The reversal of 45444250505 is 50505244454.

It can be written as a sum of positive squares in 2 ways, for example, as 22961947024 + 22482303481 = 151532^2 + 149941^2 .

It is not a de Polignac number, because 45444250505 - 2⁶ = 45444250441 is a prime.

It is a super-2 number, since 2×45444250505² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (45444250507) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2448530 + ... + 2467019.

It is an arithmetic number, because the mean of its divisors is an integer number (4652568075).

Almost surely, 2^45444250505 is an apocalyptic number.

It is an amenable number.

45444250505 is a deficient number, since it is larger than the sum of its proper divisors (10386566395).

45444250505 is an equidigital number, since it uses as much as digits as its factorization.

45444250505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4915640 (or 4915597 counting only the distinct ones).

The product of its (nonzero) digits is 320000, while the sum is 38.

Adding to 45444250505 its reverse (50505244454), we get a palindrome (95949494959).

The spelling of 45444250505 in words is "forty-five billion, four hundred forty-four million, two hundred fifty thousand, five hundred five".