44956781 has 2 divisors, whose sum is σ = 44956782. Its totient is φ = 44956780.

The previous prime is 44956771. The next prime is 44956819. The reversal of 44956781 is 18765944.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 35402500 + 9554281 = 5950^2 + 3091^2 .

It is a cyclic number.

It is not a de Polignac number, because 44956781 - 2¹⁴ = 44940397 is a prime.

It is a super-2 number, since 2×44956781² = 4042224315763922, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (44956741) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22478390 + 22478391.

It is an arithmetic number, because the mean of its divisors is an integer number (22478391).

Almost surely, 2^44956781 is an apocalyptic number.

It is an amenable number.

44956781 is a deficient number, since it is larger than the sum of its proper divisors (1).

44956781 is an equidigital number, since it uses as much as digits as its factorization.

44956781 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 241920, while the sum is 44.

The square root of 44956781 is about 6704.9818045987. The cubic root of 44956781 is about 355.5754233292.

The spelling of 44956781 in words is "forty-four million, nine hundred fifty-six thousand, seven hundred eighty-one".