2145041044 has 12 divisors (see below), whose sum is σ = 3799049184. Its totient is φ = 1059598424.

The previous prime is 2145041039. The next prime is 2145041051. The reversal of 2145041044 is 4401405412.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3230152 + ... + 3230815.

It is an arithmetic number, because the mean of its divisors is an integer number (316587432).

Almost surely, 2^2145041044 is an apocalyptic number.

It is an amenable number.

2145041044 is a deficient number, since it is larger than the sum of its proper divisors (1654008140).

2145041044 is a wasteful number, since it uses less digits than its factorization.

2145041044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6461054 (or 6461052 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 25.

The square root of 2145041044 is about 46314.5878098899. The cubic root of 2145041044 is about 1289.6698159411.

Adding to 2145041044 its reverse (4401405412), we get a palindrome (6546446456).

The spelling of 2145041044 in words is "two billion, one hundred forty-five million, forty-one thousand, forty-four".