2288671145 has 4 divisors (see below), whose sum is σ = 2746405380. Its totient is φ = 1830936912.

The previous prime is 2288671129. The next prime is 2288671169. The reversal of 2288671145 is 5411768822.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 754930576 + 1533740569 = 27476^2 + 39163^2 .

It is a cyclic number.

It is not a de Polignac number, because 2288671145 - 2⁴ = 2288671129 is a prime.

It is a super-2 number, since 2×2288671145² = 10476031219911222050, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2288671096 and 2288671105.

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, 228867110 + ... + 228867119.

It is an arithmetic number, because the mean of its divisors is an integer number (686601345).

Almost surely, 2^2288671145 is an apocalyptic number.

It is an amenable number.

2288671145 is a deficient number, since it is larger than the sum of its proper divisors (457734235).

2288671145 is an equidigital number, since it uses as much as digits as its factorization.

2288671145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 457734234.

The product of its digits is 215040, while the sum is 44.

The square root of 2288671145 is about 47840.0579535602. The cubic root of 2288671145 is about 1317.8352843987.

The spelling of 2288671145 in words is "two billion, two hundred eighty-eight million, six hundred seventy-one thousand, one hundred forty-five".