45061 has 2 divisors, whose sum is σ = 45062. Its totient is φ = 45060.

The previous prime is 45053. The next prime is 45077. The reversal of 45061 is 16054.

It is an a-pointer prime, because the next prime (45077) can be obtained adding 45061 to its sum of digits (16).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 44100 + 961 = 210^2 + 31^2 .

It is a cyclic number.

It is not a de Polignac number, because 45061 - 2³ = 45053 is a prime.

It is a nialpdrome in base 15.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22530 + 22531.

It is an arithmetic number, because the mean of its divisors is an integer number (22531).

2⁴⁵⁰⁶¹ is an apocalyptic number.

It is an amenable number.

45061 is a deficient number, since it is larger than the sum of its proper divisors (1).

45061 is an equidigital number, since it uses as much as digits as its factorization.

45061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 45061 is about 212.2757640429. The cubic root of 45061 is about 35.5849976765.

The spelling of 45061 in words is "forty-five thousand, sixty-one".