4289306445 has 24 divisors (see below), whose sum is σ = 7440076800. Its totient is φ = 2286005856.

The previous prime is 4289306443. The next prime is 4289306447. The reversal of 4289306445 is 5446039824.

It is an interprime number because it is at equal distance from previous prime (4289306443) and next prime (4289306447).

It is not a de Polignac number, because 4289306445 - 2¹ = 4289306443 is a prime.

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 4289306445.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4289306443) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 31636 + ... + 97874.

It is an arithmetic number, because the mean of its divisors is an integer number (310003200).

Almost surely, 2^4289306445 is an apocalyptic number.

4289306445 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

4289306445 is a deficient number, since it is larger than the sum of its proper divisors (3150770355).

4289306445 is a wasteful number, since it uses less digits than its factorization.

4289306445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67689 (or 67686 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 45.

The square root of 4289306445 is about 65492.7968940096. The cubic root of 4289306445 is about 1624.7842168702.

The spelling of 4289306445 in words is "four billion, two hundred eighty-nine million, three hundred six thousand, four hundred forty-five".