45127 has 2 divisors, whose sum is σ = 45128. Its totient is φ = 45126.

The previous prime is 45121. The next prime is 45131. The reversal of 45127 is 72154.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 45127 - 2³ = 45119 is a prime.

It is a super-2 number, since 2×45127² = 4072892258, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22563 + 22564.

It is an arithmetic number, because the mean of its divisors is an integer number (22564).

2⁴⁵¹²⁷ is an apocalyptic number.

45127 is a deficient number, since it is larger than the sum of its proper divisors (1).

45127 is an equidigital number, since it uses as much as digits as its factorization.

45127 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 280, while the sum is 19.

The square root of 45127 is about 212.4311653219. The cubic root of 45127 is about 35.6023627603.

The spelling of 45127 in words is "forty-five thousand, one hundred twenty-seven".