45881805 has 8 divisors (see below), whose sum is σ = 73410912. Its totient is φ = 24470288.

The previous prime is 45881791. The next prime is 45881807. The reversal of 45881805 is 50818854.

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 45881805 - 2⁷ = 45881677 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45881807) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1529379 + ... + 1529408.

It is an arithmetic number, because the mean of its divisors is an integer number (9176364).

Almost surely, 2^45881805 is an apocalyptic number.

It is an amenable number.

45881805 is a deficient number, since it is larger than the sum of its proper divisors (27529107).

45881805 is a wasteful number, since it uses less digits than its factorization.

45881805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3058795.

The product of its (nonzero) digits is 51200, while the sum is 39.

The square root of 45881805 is about 6773.6109277106. The cubic root of 45881805 is about 357.9976410277.

The spelling of 45881805 in words is "forty-five million, eight hundred eighty-one thousand, eight hundred five".