44152081 has 2 divisors, whose sum is σ = 44152082. Its totient is φ = 44152080.

The previous prime is 44152061. The next prime is 44152103. The reversal of 44152081 is 18025144.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 30902481 + 13249600 = 5559^2 + 3640^2 .

It is a cyclic number.

It is not a de Polignac number, because 44152081 - 2¹³ = 44143889 is a prime.

It is a super-2 number, since 2×44152081² = 3898812513261122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (44152051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22076040 + 22076041.

It is an arithmetic number, because the mean of its divisors is an integer number (22076041).

Almost surely, 2^44152081 is an apocalyptic number.

It is an amenable number.

44152081 is a deficient number, since it is larger than the sum of its proper divisors (1).

44152081 is an equidigital number, since it uses as much as digits as its factorization.

44152081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1280, while the sum is 25.

The square root of 44152081 is about 6644.7032288884. The cubic root of 44152081 is about 353.4411074065.

The spelling of 44152081 in words is "forty-four million, one hundred fifty-two thousand, eighty-one".