2144000145 has 96 divisors (see below), whose sum is σ = 4178856960. Its totient is φ = 934778880.

The previous prime is 2144000143. The next prime is 2144000171. The reversal of 2144000145 is 5410004412.

It is a happy number.

It is not a de Polignac number, because 2144000145 - 2¹ = 2144000143 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (2144000143) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1662661 + ... + 1663949.

It is an arithmetic number, because the mean of its divisors is an integer number (43529760).

Almost surely, 2^2144000145 is an apocalyptic number.

It is an amenable number.

2144000145 is a deficient number, since it is larger than the sum of its proper divisors (2034856815).

2144000145 is a wasteful number, since it uses less digits than its factorization.

2144000145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1415 (or 1408 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 21.

The square root of 2144000145 is about 46303.3491769224. The cubic root of 2144000145 is about 1289.4611745224.

Adding to 2144000145 its reverse (5410004412), we get a palindrome (7554004557).

The spelling of 2144000145 in words is "two billion, one hundred forty-four million, one hundred forty-five", and thus it is an aban number.