2445115144 has 64 divisors (see below), whose sum is σ = 4770984240. Its totient is φ = 1174118400.

The previous prime is 2445115139. The next prime is 2445115147. The reversal of 2445115144 is 4415115442.

It can be written as a sum of positive squares in 8 ways, for example, as 2443324900 + 1790244 = 49430^2 + 1338^2 .

It is not an unprimeable number, because it can be changed into a prime (2445115147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6097344 + ... + 6097744.

Almost surely, 2^2445115144 is an apocalyptic number.

It is an amenable number.

2445115144 is a deficient number, since it is larger than the sum of its proper divisors (2325869096).

2445115144 is a wasteful number, since it uses less digits than its factorization.

2445115144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 730 (or 726 counting only the distinct ones).

The product of its digits is 12800, while the sum is 31.

The square root of 2445115144 is about 49448.1055653298. The cubic root of 2445115144 is about 1347.2031982390.

The spelling of 2445115144 in words is "two billion, four hundred forty-five million, one hundred fifteen thousand, one hundred forty-four".