44245577554243 has 4 divisors (see below), whose sum is σ = 47649083519968. Its totient is φ = 40842071588520.

The previous prime is 44245577554231. The next prime is 44245577554253. The reversal of 44245577554243 is 34245577554244.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 44245577554243 - 2²⁹ = 44245040683331 is a prime.

It is a super-2 number, since 2×44245577554243² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (44245577554253) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1701752982843 + ... + 1701752982868.

It is an arithmetic number, because the mean of its divisors is an integer number (11912270879992).

Almost surely, 2^{44245577554243} is an apocalyptic number.

44245577554243 is a deficient number, since it is larger than the sum of its proper divisors (3403505965725).

44245577554243 is a wasteful number, since it uses less digits than its factorization.

44245577554243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3403505965724.

The product of its digits is 376320000, while the sum is 61.

Subtracting from 44245577554243 its reverse (34245577554244), we obtain a palindrome (9999999999999).

The spelling of 44245577554243 in words is "forty-four trillion, two hundred forty-five billion, five hundred seventy-seven million, five hundred fifty-four thousand, two hundred forty-three".