44520143 has 2 divisors, whose sum is σ = 44520144. Its totient is φ = 44520142.

The previous prime is 44520131. The next prime is 44520163. The reversal of 44520143 is 34102544.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 44520143 - 2⁸ = 44519887 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (44520103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22260071 + 22260072.

It is an arithmetic number, because the mean of its divisors is an integer number (22260072).

Almost surely, 2^44520143 is an apocalyptic number.

44520143 is a deficient number, since it is larger than the sum of its proper divisors (1).

44520143 is an equidigital number, since it uses as much as digits as its factorization.

44520143 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 44520143 is about 6672.3416429317. The cubic root of 44520143 is about 354.4205132908.

Adding to 44520143 its reverse (34102544), we get a palindrome (78622687).

The spelling of 44520143 in words is "forty-four million, five hundred twenty thousand, one hundred forty-three".