44542279 has 2 divisors, whose sum is σ = 44542280. Its totient is φ = 44542278.

The previous prime is 44542273. The next prime is 44542297. The reversal of 44542279 is 97224544.

Together with next prime (44542297) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 44542279 - 2³ = 44542271 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (44542271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22271139 + 22271140.

It is an arithmetic number, because the mean of its divisors is an integer number (22271140).

Almost surely, 2^44542279 is an apocalyptic number.

44542279 is a deficient number, since it is larger than the sum of its proper divisors (1).

44542279 is an equidigital number, since it uses as much as digits as its factorization.

44542279 is an evil number, because the sum of its binary digits is even.

The product of its digits is 80640, while the sum is 37.

The square root of 44542279 is about 6674.0002247528. Note that the first 3 decimals coincide. The cubic root of 44542279 is about 354.4792444031.

It can be divided in two parts, 445 and 42279, that added together give a palindrome (42724).

The spelling of 44542279 in words is "forty-four million, five hundred forty-two thousand, two hundred seventy-nine".