4521445045 has 8 divisors (see below), whose sum is σ = 5843098296. Its totient is φ = 3338913216.

The previous prime is 4521445031. The next prime is 4521445057. The reversal of 4521445045 is 5405441254.

It can be written as a sum of positive squares in 4 ways, for example, as 1034289 + 4520410756 = 1017^2 + 67234^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4521445045 - 2¹⁹ = 4520920757 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4521445045.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34780282 + ... + 34780411.

It is an arithmetic number, because the mean of its divisors is an integer number (730387287).

Almost surely, 2^4521445045 is an apocalyptic number.

It is an amenable number.

4521445045 is a deficient number, since it is larger than the sum of its proper divisors (1321653251).

4521445045 is a wasteful number, since it uses less digits than its factorization.

4521445045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69560711.

The product of its (nonzero) digits is 64000, while the sum is 34.

The square root of 4521445045 is about 67241.6912711154. The cubic root of 4521445045 is about 1653.5820611918.

Adding to 4521445045 its reverse (5405441254), we get a palindrome (9926886299).

The spelling of 4521445045 in words is "four billion, five hundred twenty-one million, four hundred forty-five thousand, forty-five".