45187871 has 8 divisors (see below), whose sum is σ = 47752320. Its totient is φ = 42642072.

The previous prime is 45187867. The next prime is 45187873. The reversal of 45187871 is 17878154.

45187871 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 45187871 - 2² = 45187867 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45187873) 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 7 ways as a sum of consecutive naturals, for example, 476 + ... + 9518.

It is an arithmetic number, because the mean of its divisors is an integer number (5969040).

Almost surely, 2^45187871 is an apocalyptic number.

45187871 is a deficient number, since it is larger than the sum of its proper divisors (2564449).

45187871 is a wasteful number, since it uses less digits than its factorization.

45187871 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9325.

The product of its digits is 62720, while the sum is 41.

The square root of 45187871 is about 6722.1924250947. The cubic root of 45187871 is about 356.1836336412.

The spelling of 45187871 in words is "forty-five million, one hundred eighty-seven thousand, eight hundred seventy-one".