45881471 has 4 divisors (see below), whose sum is σ = 45902472. Its totient is φ = 45860472.

The previous prime is 45881441. The next prime is 45881477. The reversal of 45881471 is 17418854.

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 45881471 - 2¹⁰ = 45880447 is a prime.

It is a super-3 number, since 3×45881471³ (a number of 24 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45881477) 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, 6785 + ... + 11738.

It is an arithmetic number, because the mean of its divisors is an integer number (11475618).

Almost surely, 2^45881471 is an apocalyptic number.

45881471 is a deficient number, since it is larger than the sum of its proper divisors (21001).

45881471 is a wasteful number, since it uses less digits than its factorization.

45881471 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21000.

The product of its digits is 35840, while the sum is 38.

The square root of 45881471 is about 6773.5862731643. The cubic root of 45881471 is about 357.9967723355.

The spelling of 45881471 in words is "forty-five million, eight hundred eighty-one thousand, four hundred seventy-one".