2815244145 has 96 divisors (see below), whose sum is σ = 5676652800. Its totient is φ = 1264177152.

The previous prime is 2815244129. The next prime is 2815244153. The reversal of 2815244145 is 5414425182.

2815244145 is a `hidden beast` number, since 28 + 152 + 441 + 45 = 666.

It is not a de Polignac number, because 2815244145 - 2⁴ = 2815244129 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 4947421 + ... + 4947989.

It is an arithmetic number, because the mean of its divisors is an integer number (59131800).

Almost surely, 2^2815244145 is an apocalyptic number.

It is an amenable number.

2815244145 is an abundant number, since it is smaller than the sum of its proper divisors (2861408655).

2815244145 is a wasteful number, since it uses less digits than its factorization.

2815244145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 839 (or 836 counting only the distinct ones).

The product of its digits is 51200, while the sum is 36.

The square root of 2815244145 is about 53058.8743284288. The cubic root of 2815244145 is about 1412.0129766387.

The spelling of 2815244145 in words is "two billion, eight hundred fifteen million, two hundred forty-four thousand, one hundred forty-five".