45546143 has 2 divisors, whose sum is σ = 45546144. Its totient is φ = 45546142.

The previous prime is 45546139. The next prime is 45546169. The reversal of 45546143 is 34164554.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 45546143 - 2² = 45546139 is a prime.

It is a super-2 number, since 2×45546143² = 4148902284352898, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45546113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22773071 + 22773072.

It is an arithmetic number, because the mean of its divisors is an integer number (22773072).

Almost surely, 2^45546143 is an apocalyptic number.

45546143 is a deficient number, since it is larger than the sum of its proper divisors (1).

45546143 is an equidigital number, since it uses as much as digits as its factorization.

45546143 is an evil number, because the sum of its binary digits is even.

The product of its digits is 28800, while the sum is 32.

The square root of 45546143 is about 6748.7882616067. The cubic root of 45546143 is about 357.1224906405.

The spelling of 45546143 in words is "forty-five million, five hundred forty-six thousand, one hundred forty-three".