2772892145 has 8 divisors (see below), whose sum is σ = 3328369704. Its totient is φ = 2217714304.

The previous prime is 2772892127. The next prime is 2772892153. The reversal of 2772892145 is 5412982772.

It can be written as a sum of positive squares in 4 ways, for example, as 132496 + 2772759649 = 364^2 + 52657^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2772892145 - 2¹⁴ = 2772875761 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2772892145.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54044 + ... + 92013.

It is an arithmetic number, because the mean of its divisors is an integer number (416046213).

Almost surely, 2^2772892145 is an apocalyptic number.

It is an amenable number.

2772892145 is a deficient number, since it is larger than the sum of its proper divisors (555477559).

2772892145 is a wasteful number, since it uses less digits than its factorization.

2772892145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149859.

The product of its digits is 564480, while the sum is 47.

The square root of 2772892145 is about 52658.2580893064. The cubic root of 2772892145 is about 1404.8964847348.

The spelling of 2772892145 in words is "two billion, seven hundred seventy-two million, eight hundred ninety-two thousand, one hundred forty-five".