5445281765 has 32 divisors (see below), whose sum is σ = 8172589824. Its totient is φ = 3383677440.

The previous prime is 5445281761. The next prime is 5445281857. The reversal of 5445281765 is 5671825445.

It is not a de Polignac number, because 5445281765 - 2² = 5445281761 is a prime.

It is a Smith number, since the sum of its digits (47) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5445281761) 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, 99737 + ... + 144353.

It is an arithmetic number, because the mean of its divisors is an integer number (255393432).

Almost surely, 2^5445281765 is an apocalyptic number.

5445281765 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

5445281765 is a deficient number, since it is larger than the sum of its proper divisors (2727308059).

5445281765 is a wasteful number, since it uses less digits than its factorization.

5445281765 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44957.

The product of its digits is 1344000, while the sum is 47.

The square root of 5445281765 is about 73792.1524621690. The cubic root of 5445281765 is about 1759.3008764437.

The spelling of 5445281765 in words is "five billion, four hundred forty-five million, two hundred eighty-one thousand, seven hundred sixty-five".