2145067264 has 36 divisors (see below), whose sum is σ = 4305767760. Its totient is φ = 1066519040.

The previous prime is 2145067219. The next prime is 2145067279. The reversal of 2145067264 is 4627605412.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22419 + ... + 69229.

It is an arithmetic number, because the mean of its divisors is an integer number (119604660).

Almost surely, 2^2145067264 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 2145067264, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2152883880).

2145067264 is an abundant number, since it is smaller than the sum of its proper divisors (2160700496).

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

2145067264 is an equidigital number, since it uses as much as digits as its factorization.

2145067264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47006 (or 46992 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 37.

The square root of 2145067264 is about 46314.8708731872. The cubic root of 2145067264 is about 1289.6750706975.

The spelling of 2145067264 in words is "two billion, one hundred forty-five million, sixty-seven thousand, two hundred sixty-four".