2104001445 has 128 divisors (see below), whose sum is σ = 4290048000. Its totient is φ = 874831104.

The previous prime is 2104001443. The next prime is 2104001479. The reversal of 2104001445 is 5441004012.

It is a happy number.

It is not a de Polignac number, because 2104001445 - 2¹ = 2104001443 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2104001441) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 5551266 + ... + 5551644.

It is an arithmetic number, because the mean of its divisors is an integer number (33516000).

Almost surely, 2^2104001445 is an apocalyptic number.

It is an amenable number.

2104001445 is an abundant number, since it is smaller than the sum of its proper divisors (2186046555).

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

2104001445 is a wasteful number, since it uses less digits than its factorization.

2104001445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 504 (or 490 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 21.

The square root of 2104001445 is about 45869.3955159647. The cubic root of 2104001445 is about 1281.3920087848.

Adding to 2104001445 its reverse (5441004012), we get a palindrome (7545005457).

The spelling of 2104001445 in words is "two billion, one hundred four million, one thousand, four hundred forty-five".