45442441455243 has 32 divisors (see below), whose sum is σ = 72432970521600. Its totient is φ = 24777375676416.

The previous prime is 45442441455239. The next prime is 45442441455251. The reversal of 45442441455243 is 34255414424454.

It is not a de Polignac number, because 45442441455243 - 2² = 45442441455239 is a prime.

It is not an unprimeable number, because it can be changed into a prime (45442441455263) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 114819238 + ... + 115214331.

It is an arithmetic number, because the mean of its divisors is an integer number (2263530328800).

Almost surely, 2^{45442441455243} is an apocalyptic number.

45442441455243 is a deficient number, since it is larger than the sum of its proper divisors (26990529066357).

45442441455243 is a wasteful number, since it uses less digits than its factorization.

45442441455243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 230034011.

The product of its digits is 24576000, while the sum is 51.

Adding to 45442441455243 its reverse (34255414424454), we get a palindrome (79697855879697).

The spelling of 45442441455243 in words is "forty-five trillion, four hundred forty-two billion, four hundred forty-one million, four hundred fifty-five thousand, two hundred forty-three".