2144554145 has 8 divisors (see below), whose sum is σ = 2606040960. Its totient is φ = 1693926000.

The previous prime is 2144554129. The next prime is 2144554163. The reversal of 2144554145 is 5414554412.

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

It is not a de Polignac number, because 2144554145 - 2⁴ = 2144554129 is a prime.

It is a super-2 number, since 2×2144554145² = 9198224961673362050, which contains 22 as substring.

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, 2714231 + ... + 2715020.

It is an arithmetic number, because the mean of its divisors is an integer number (325755120).

Almost surely, 2^2144554145 is an apocalyptic number.

It is an amenable number.

2144554145 is a deficient number, since it is larger than the sum of its proper divisors (461486815).

2144554145 is an equidigital number, since it uses as much as digits as its factorization.

2144554145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5429335.

The product of its digits is 64000, while the sum is 35.

The square root of 2144554145 is about 46309.3310791681. The cubic root of 2144554145 is about 1289.5722286147.

The spelling of 2144554145 in words is "two billion, one hundred forty-four million, five hundred fifty-four thousand, one hundred forty-five".