2145194496 has 160 divisors (see below), whose sum is σ = 6570115200. Its totient is φ = 690278400.

The previous prime is 2145194477. The next prime is 2145194551. The reversal of 2145194496 is 6944915412.

2145194496 is a `hidden beast` number, since 2 + 1 + 4 + 519 + 44 + 96 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 398221 + ... + 403571.

It is an arithmetic number, because the mean of its divisors is an integer number (41063220).

Almost surely, 2^2145194496 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2145194496, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3285057600).

2145194496 is an abundant number, since it is smaller than the sum of its proper divisors (4424920704).

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

2145194496 is an equidigital number, since it uses as much as digits as its factorization.

2145194496 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5407 (or 5385 counting only the distinct ones).

The product of its digits is 311040, while the sum is 45.

The square root of 2145194496 is about 46316.2444073351. The cubic root of 2145194496 is about 1289.7005686850.

The spelling of 2145194496 in words is "two billion, one hundred forty-five million, one hundred ninety-four thousand, four hundred ninety-six".