45847687 has 4 divisors (see below), whose sum is σ = 45997336. Its totient is φ = 45698040.

The previous prime is 45847619. The next prime is 45847693. The reversal of 45847687 is 78674854.

It is a happy number.

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 45847687 - 2⁷ = 45847559 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 45847687.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45847387) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 74364 + ... + 74977.

It is an arithmetic number, because the mean of its divisors is an integer number (11499334).

Almost surely, 2^45847687 is an apocalyptic number.

45847687 is a deficient number, since it is larger than the sum of its proper divisors (149649).

45847687 is a wasteful number, since it uses less digits than its factorization.

45847687 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149648.

The product of its digits is 1505280, while the sum is 49.

The square root of 45847687 is about 6771.0920094177. The cubic root of 45847687 is about 357.9088825879.

The spelling of 45847687 in words is "forty-five million, eight hundred forty-seven thousand, six hundred eighty-seven".