2802105845 has 64 divisors (see below), whose sum is σ = 4521000960. Its totient is φ = 1614297600.

The previous prime is 2802105829. The next prime is 2802105857. The reversal of 2802105845 is 5485012082.

It is a happy number.

It is not a de Polignac number, because 2802105845 - 2⁴ = 2802105829 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 295244 + ... + 304586.

It is an arithmetic number, because the mean of its divisors is an integer number (70640640).

Almost surely, 2^2802105845 is an apocalyptic number.

It is an amenable number.

2802105845 is a deficient number, since it is larger than the sum of its proper divisors (1718895115).

2802105845 is a wasteful number, since it uses less digits than its factorization.

2802105845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9426.

The product of its (nonzero) digits is 25600, while the sum is 35.

The square root of 2802105845 is about 52934.9208462618. The cubic root of 2802105845 is about 1409.8130035534.

The spelling of 2802105845 in words is "two billion, eight hundred two million, one hundred five thousand, eight hundred forty-five".