2144332545 has 8 divisors (see below), whose sum is σ = 3430932096. Its totient is φ = 1143644016.

The previous prime is 2144332517. The next prime is 2144332549. The reversal of 2144332545 is 5452334412.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2144332545 - 2⁹ = 2144332033 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2144332549) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71477737 + ... + 71477766.

It is an arithmetic number, because the mean of its divisors is an integer number (428866512).

Almost surely, 2^2144332545 is an apocalyptic number.

It is an amenable number.

2144332545 is a deficient number, since it is larger than the sum of its proper divisors (1286599551).

2144332545 is a wasteful number, since it uses less digits than its factorization.

2144332545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142955511.

The product of its digits is 57600, while the sum is 33.

The square root of 2144332545 is about 46306.9384109984. The cubic root of 2144332545 is about 1289.5278092731.

Adding to 2144332545 its reverse (5452334412), we get a palindrome (7596666957).

The spelling of 2144332545 in words is "two billion, one hundred forty-four million, three hundred thirty-two thousand, five hundred forty-five".