45440223345 has 64 divisors (see below), whose sum is σ = 88273428480. Its totient is φ = 21994891200.

The previous prime is 45440223331. The next prime is 45440223407. The reversal of 45440223345 is 54332204454.

45440223345 is a `hidden beast` number, since 4 + 54 + 40 + 223 + 345 = 666.

It is not a de Polignac number, because 45440223345 - 2⁴ = 45440223329 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 876190 + ... + 926600.

It is an arithmetic number, because the mean of its divisors is an integer number (1379272320).

Almost surely, 2^45440223345 is an apocalyptic number.

45440223345 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

45440223345 is a deficient number, since it is larger than the sum of its proper divisors (42833205135).

45440223345 is a wasteful number, since it uses less digits than its factorization.

45440223345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51043 (or 51037 counting only the distinct ones).

The product of its (nonzero) digits is 230400, while the sum is 36.

Adding to 45440223345 its reverse (54332204454), we get a palindrome (99772427799).

The spelling of 45440223345 in words is "forty-five billion, four hundred forty million, two hundred twenty-three thousand, three hundred forty-five".