45453443513 has 4 divisors (see below), whose sum is σ = 45455396580. Its totient is φ = 45451490448.

The previous prime is 45453443489. The next prime is 45453443527. The reversal of 45453443513 is 31534435454.

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 18065510464 + 27387933049 = 134408^2 + 165493^2 .

It is a cyclic number.

It is not a de Polignac number, because 45453443513 - 2⁸ = 45453443257 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45453443593) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 941198 + ... + 988311.

It is an arithmetic number, because the mean of its divisors is an integer number (11363849145).

Almost surely, 2^45453443513 is an apocalyptic number.

It is an amenable number.

45453443513 is a deficient number, since it is larger than the sum of its proper divisors (1953067).

45453443513 is a wasteful number, since it uses less digits than its factorization.

45453443513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1953066.

The product of its digits is 864000, while the sum is 41.

Adding to 45453443513 its reverse (31534435454), we get a palindrome (76987878967).

The spelling of 45453443513 in words is "forty-five billion, four hundred fifty-three million, four hundred forty-three thousand, five hundred thirteen".