2144145031 has 8 divisors (see below), whose sum is σ = 2556993024. Its totient is φ = 1757932440.

The previous prime is 2144145011. The next prime is 2144145037. The reversal of 2144145031 is 1305414412.

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 2144145031 - 2⁷ = 2144144903 is a prime.

It is a super-2 number, since 2×2144145031² = 9194715827923981922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2144144987 and 2144145005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2144145037) 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, 6658675 + ... + 6658996.

It is an arithmetic number, because the mean of its divisors is an integer number (319624128).

Almost surely, 2^2144145031 is an apocalyptic number.

2144145031 is a deficient number, since it is larger than the sum of its proper divisors (412847993).

2144145031 is a wasteful number, since it uses less digits than its factorization.

2144145031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13317701.

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 2144145031 is about 46304.9136809475. The cubic root of 2144145031 is about 1289.4902200216.

Adding to 2144145031 its reverse (1305414412), we get a palindrome (3449559443).

The spelling of 2144145031 in words is "two billion, one hundred forty-four million, one hundred forty-five thousand, thirty-one".