2144031555 has 8 divisors (see below), whose sum is σ = 3430450512. Its totient is φ = 1143483488.

The previous prime is 2144031553. The next prime is 2144031559. The reversal of 2144031555 is 5551304412.

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 2144031555 - 2¹ = 2144031553 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2144031553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71467704 + ... + 71467733.

It is an arithmetic number, because the mean of its divisors is an integer number (428806314).

Almost surely, 2^2144031555 is an apocalyptic number.

2144031555 is a deficient number, since it is larger than the sum of its proper divisors (1286418957).

2144031555 is a wasteful number, since it uses less digits than its factorization.

2144031555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142935445.

The product of its (nonzero) digits is 12000, while the sum is 30.

The square root of 2144031555 is about 46303.6883520093. The cubic root of 2144031555 is about 1289.4674714401.

Adding to 2144031555 its reverse (5551304412), we get a palindrome (7695335967).

The spelling of 2144031555 in words is "two billion, one hundred forty-four million, thirty-one thousand, five hundred fifty-five".