4450320145541 has 4 divisors (see below), whose sum is σ = 4712103683532. Its totient is φ = 4188536607552.

The previous prime is 4450320145517. The next prime is 4450320145547. The reversal of 4450320145541 is 1455410230544.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2953500030625 + 1496820114916 = 1718575^2 + 1223446^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4450320145541 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4450320145495 and 4450320145504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4450320145547) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 130891768970 + ... + 130891769003.

It is an arithmetic number, because the mean of its divisors is an integer number (1178025920883).

Almost surely, 2^{4450320145541} is an apocalyptic number.

It is an amenable number.

4450320145541 is a deficient number, since it is larger than the sum of its proper divisors (261783537991).

4450320145541 is a wasteful number, since it uses less digits than its factorization.

4450320145541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 261783537990.

The product of its (nonzero) digits is 192000, while the sum is 38.

The spelling of 4450320145541 in words is "four trillion, four hundred fifty billion, three hundred twenty million, one hundred forty-five thousand, five hundred forty-one".