45804781 has 4 divisors (see below), whose sum is σ = 49968864. Its totient is φ = 41640700.

The previous prime is 45804769. The next prime is 45804791. The reversal of 45804781 is 18740854.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 45804781 - 2¹¹ = 45802733 is a prime.

It is a super-2 number, since 2×45804781² = 4196155924915922, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 45804781.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45804721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2082025 + ... + 2082046.

It is an arithmetic number, because the mean of its divisors is an integer number (12492216).

Almost surely, 2^45804781 is an apocalyptic number.

It is an amenable number.

45804781 is a deficient number, since it is larger than the sum of its proper divisors (4164083).

45804781 is a wasteful number, since it uses less digits than its factorization.

45804781 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4164082.

The product of its (nonzero) digits is 35840, while the sum is 37.

The square root of 45804781 is about 6767.9229457789. The cubic root of 45804781 is about 357.7971995174.

The spelling of 45804781 in words is "forty-five million, eight hundred four thousand, seven hundred eighty-one".