45440353445 has 8 divisors (see below), whose sum is σ = 54611932536. Its totient is φ = 36296610496.

The previous prime is 45440353403. The next prime is 45440353463. The reversal of 45440353445 is 54435304454.

It can be written as a sum of positive squares in 4 ways, for example, as 9550566529 + 35889786916 = 97727^2 + 189446^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45440353445 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6955442 + ... + 6961971.

It is an arithmetic number, because the mean of its divisors is an integer number (6826491567).

Almost surely, 2^45440353445 is an apocalyptic number.

It is an amenable number.

45440353445 is a deficient number, since it is larger than the sum of its proper divisors (9171579091).

45440353445 is a wasteful number, since it uses less digits than its factorization.

45440353445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13918071.

The product of its (nonzero) digits is 1152000, while the sum is 41.

Adding to 45440353445 its reverse (54435304454), we get a palindrome (99875657899).

The spelling of 45440353445 in words is "forty-five billion, four hundred forty million, three hundred fifty-three thousand, four hundred forty-five".