2144250885 has 32 divisors (see below), whose sum is σ = 4151561472. Its totient is φ = 922567680.

The previous prime is 2144250881. The next prime is 2144250929. The reversal of 2144250885 is 5880524412.

It is a happy number.

It is not a de Polignac number, because 2144250885 - 2² = 2144250881 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2144250881) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 598846 + ... + 602415.

It is an arithmetic number, because the mean of its divisors is an integer number (129736296).

Almost surely, 2^2144250885 is an apocalyptic number.

It is an amenable number.

2144250885 is a deficient number, since it is larger than the sum of its proper divisors (2007310587).

2144250885 is a wasteful number, since it uses less digits than its factorization.

2144250885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1201293.

The product of its (nonzero) digits is 102400, while the sum is 39.

The square root of 2144250885 is about 46306.0566772857. The cubic root of 2144250885 is about 1289.5114398939.

It can be divided in two parts, 21442 and 50885, that added together give a palindrome (72327).

The spelling of 2144250885 in words is "two billion, one hundred forty-four million, two hundred fifty thousand, eight hundred eighty-five".