2144590045 has 8 divisors (see below), whose sum is σ = 2771470296. Its totient is φ = 1583697216.

The previous prime is 2144590037. The next prime is 2144590061. The reversal of 2144590045 is 5400954412.

It can be written as a sum of positive squares in 4 ways, for example, as 66564 + 2144523481 = 258^2 + 46309^2 .

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 2144590045 - 2³ = 2144590037 is a prime.

It is a super-2 number, since 2×2144590045² = 9198532922226204050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

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, 16496782 + ... + 16496911.

It is an arithmetic number, because the mean of its divisors is an integer number (346433787).

Almost surely, 2^2144590045 is an apocalyptic number.

It is an amenable number.

2144590045 is a deficient number, since it is larger than the sum of its proper divisors (626880251).

2144590045 is a wasteful number, since it uses less digits than its factorization.

2144590045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32993711.

The product of its (nonzero) digits is 28800, while the sum is 34.

The square root of 2144590045 is about 46309.7186884136. The cubic root of 2144590045 is about 1289.5794244204.

The spelling of 2144590045 in words is "two billion, one hundred forty-four million, five hundred ninety thousand, forty-five".