4344165945 has 64 divisors (see below), whose sum is σ = 9031587840. Its totient is φ = 1939702464.

The previous prime is 4344165919. The next prime is 4344165949. The reversal of 4344165945 is 5495614434.

4344165945 is a `hidden beast` number, since 4 + 3 + 44 + 16 + 594 + 5 = 666.

It is not a de Polignac number, because 4344165945 - 2⁵ = 4344165913 is a prime.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 4344165945.

It is not an unprimeable number, because it can be changed into a prime (4344165949) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 12819 + ... + 94088.

It is an arithmetic number, because the mean of its divisors is an integer number (141118560).

Almost surely, 2^4344165945 is an apocalyptic number.

4344165945 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

4344165945 is an abundant number, since it is smaller than the sum of its proper divisors (4687421895).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4344165945 is a wasteful number, since it uses less digits than its factorization.

4344165945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106971 (or 106965 counting only the distinct ones).

The product of its digits is 1036800, while the sum is 45.

The square root of 4344165945 is about 65910.2870954148. The cubic root of 4344165945 is about 1631.6817982292.

Subtracting 4344165945 from its reverse (5495614434), we obtain a square (1151448489 = 33933²).

The spelling of 4344165945 in words is "four billion, three hundred forty-four million, one hundred sixty-five thousand, nine hundred forty-five".