2273663145 has 16 divisors (see below), whose sum is σ = 3917696832. Its totient is φ = 1119341760.

The previous prime is 2273663129. The next prime is 2273663173. The reversal of 2273663145 is 5413663722.

It is not a de Polignac number, because 2273663145 - 2⁴ = 2273663129 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a Curzon number.

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, 5829711 + ... + 5830100.

It is an arithmetic number, because the mean of its divisors is an integer number (244856052).

Almost surely, 2^2273663145 is an apocalyptic number.

It is an amenable number.

2273663145 is a deficient number, since it is larger than the sum of its proper divisors (1644033687).

2273663145 is a wasteful number, since it uses less digits than its factorization.

2273663145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11659832.

The product of its digits is 181440, while the sum is 39.

The square root of 2273663145 is about 47682.9439632244. The cubic root of 2273663145 is about 1314.9483891130.

The spelling of 2273663145 in words is "two billion, two hundred seventy-three million, six hundred sixty-three thousand, one hundred forty-five".