4321545445 has 48 divisors (see below), whose sum is σ = 6135151680. Its totient is φ = 2913394176.

The previous prime is 4321545443. The next prime is 4321545467. The reversal of 4321545445 is 5445451234.

4321545445 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 4321545445 - 2¹ = 4321545443 is a prime.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4321545443) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3847654 + ... + 3848776.

It is an arithmetic number, because the mean of its divisors is an integer number (127815660).

Almost surely, 2^4321545445 is an apocalyptic number.

It is an amenable number.

4321545445 is a deficient number, since it is larger than the sum of its proper divisors (1813606235).

4321545445 is a wasteful number, since it uses less digits than its factorization.

4321545445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1394 (or 1387 counting only the distinct ones).

The product of its digits is 192000, while the sum is 37.

The square root of 4321545445 is about 65738.4624477938. The cubic root of 4321545445 is about 1628.8447589844.

Adding to 4321545445 its reverse (5445451234), we get a palindrome (9766996679).

The spelling of 4321545445 in words is "four billion, three hundred twenty-one million, five hundred forty-five thousand, four hundred forty-five".