2144452361 has 4 divisors (see below), whose sum is σ = 2145075072. Its totient is φ = 2143829652.

The previous prime is 2144452351. The next prime is 2144452367. The reversal of 2144452361 is 1632544412.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2144452361 - 2¹⁴ = 2144435977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2144452367) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 306161 + ... + 313086.

It is an arithmetic number, because the mean of its divisors is an integer number (536268768).

Almost surely, 2^2144452361 is an apocalyptic number.

It is an amenable number.

2144452361 is a deficient number, since it is larger than the sum of its proper divisors (622711).

2144452361 is an equidigital number, since it uses as much as digits as its factorization.

2144452361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 622710.

The product of its digits is 23040, while the sum is 32.

The square root of 2144452361 is about 46308.2321083412. The cubic root of 2144452361 is about 1289.5518265657.

Adding to 2144452361 its reverse (1632544412), we get a palindrome (3776996773).

The spelling of 2144452361 in words is "two billion, one hundred forty-four million, four hundred fifty-two thousand, three hundred sixty-one".