45455443013 has 8 divisors (see below), whose sum is σ = 48133219032. Its totient is φ = 42778103296.

The previous prime is 45455443009. The next prime is 45455443021. The reversal of 45455443013 is 31034455454.

It can be written as a sum of positive squares in 4 ways, for example, as 15221884129 + 30233558884 = 123377^2 + 173878^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 45455443013 - 2² = 45455443009 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45455443613) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 119081 + ... + 324177.

It is an arithmetic number, because the mean of its divisors is an integer number (6016652379).

Almost surely, 2^45455443013 is an apocalyptic number.

It is an amenable number.

45455443013 is a deficient number, since it is larger than the sum of its proper divisors (2677776019).

45455443013 is a wasteful number, since it uses less digits than its factorization.

45455443013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 218151.

The product of its (nonzero) digits is 288000, while the sum is 38.

Adding to 45455443013 its reverse (31034455454), we get a palindrome (76489898467).

The spelling of 45455443013 in words is "forty-five billion, four hundred fifty-five million, four hundred forty-three thousand, thirteen".