2115145344 has 64 divisors (see below), whose sum is σ = 6050550240. Its totient is φ = 650812416.

The previous prime is 2115145313. The next prime is 2115145381. The reversal of 2115145344 is 4435415112.

It is a tau number, because it is divible by the number of its divisors (64).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 206862 + ... + 216845.

Almost surely, 2^2115145344 is an apocalyptic number.

2115145344 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2115145344 is an abundant number, since it is smaller than the sum of its proper divisors (3935404896).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2115145344 is a wasteful number, since it uses less digits than its factorization.

2115145344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 423737 (or 423725 counting only the distinct ones).

The product of its digits is 9600, while the sum is 30.

The square root of 2115145344 is about 45990.7093226447. The cubic root of 2115145344 is about 1283.6503351975.

The spelling of 2115145344 in words is "two billion, one hundred fifteen million, one hundred forty-five thousand, three hundred forty-four".