2774432145 has 16 divisors (see below), whose sum is σ = 4505348160. Its totient is φ = 1457611584.

The previous prime is 2774432131. The next prime is 2774432179. The reversal of 2774432145 is 5412344772.

It is not a de Polignac number, because 2774432145 - 2⁹ = 2774431633 is a prime.

It is an unprimeable number.

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, 1379310 + ... + 1381319.

It is an arithmetic number, because the mean of its divisors is an integer number (281584260).

Almost surely, 2^2774432145 is an apocalyptic number.

It is an amenable number.

2774432145 is a deficient number, since it is larger than the sum of its proper divisors (1730916015).

2774432145 is a wasteful number, since it uses less digits than its factorization.

2774432145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2760704.

The product of its digits is 188160, while the sum is 39.

The square root of 2774432145 is about 52672.8786473646. The cubic root of 2774432145 is about 1405.1565189121.

The spelling of 2774432145 in words is "two billion, seven hundred seventy-four million, four hundred thirty-two thousand, one hundred forty-five".