45785143 has 4 divisors (see below), whose sum is σ = 45804528. Its totient is φ = 45765760.

The previous prime is 45785119. The next prime is 45785149. The reversal of 45785143 is 34158754.

45785143 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 45785143 - 2¹⁷ = 45654071 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45785149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5563 + ... + 11068.

It is an arithmetic number, because the mean of its divisors is an integer number (11451132).

Almost surely, 2^45785143 is an apocalyptic number.

45785143 is a deficient number, since it is larger than the sum of its proper divisors (19385).

45785143 is a wasteful number, since it uses less digits than its factorization.

45785143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19384.

The product of its digits is 67200, while the sum is 37.

The square root of 45785143 is about 6766.4719758527. The cubic root of 45785143 is about 357.7460591077.

The spelling of 45785143 in words is "forty-five million, seven hundred eighty-five thousand, one hundred forty-three".