45450143 has 2 divisors, whose sum is σ = 45450144. Its totient is φ = 45450142.

The previous prime is 45450133. The next prime is 45450151. The reversal of 45450143 is 34105454.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 45450143 - 2⁴ = 45450127 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45450103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22725071 + 22725072.

It is an arithmetic number, because the mean of its divisors is an integer number (22725072).

Almost surely, 2^45450143 is an apocalyptic number.

45450143 is a deficient number, since it is larger than the sum of its proper divisors (1).

45450143 is an equidigital number, since it uses as much as digits as its factorization.

45450143 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 45450143 is about 6741.6721219591. The cubic root of 45450143 is about 356.8714055334.

Adding to 45450143 its reverse (34105454), we get a palindrome (79555597).

The spelling of 45450143 in words is "forty-five million, four hundred fifty thousand, one hundred forty-three".