2145041516 has 12 divisors (see below), whose sum is σ = 3767089032. Its totient is φ = 1068730368.

The previous prime is 2145041489. The next prime is 2145041527. The reversal of 2145041516 is 6151405412.

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, 946325 + ... + 948588.

It is an arithmetic number, because the mean of its divisors is an integer number (313924086).

Almost surely, 2^2145041516 is an apocalyptic number.

It is an amenable number.

2145041516 is a deficient number, since it is larger than the sum of its proper divisors (1622047516).

2145041516 is a wasteful number, since it uses less digits than its factorization.

2145041516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1895200 (or 1895198 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 29.

The square root of 2145041516 is about 46314.5929054763. The cubic root of 2145041516 is about 1289.6699105351.

Adding to 2145041516 its reverse (6151405412), we get a palindrome (8296446928).

The spelling of 2145041516 in words is "two billion, one hundred forty-five million, forty-one thousand, five hundred sixteen".