45685511 has 4 divisors (see below), whose sum is σ = 48372912. Its totient is φ = 42998112.

The previous prime is 45685501. The next prime is 45685513. The reversal of 45685511 is 11558654.

It is a happy number.

45685511 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 45685511 - 2¹⁰ = 45684487 is a prime.

It is a super-2 number, since 2×45685511² = 4174331830662242, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45685513) 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 3 ways as a sum of consecutive naturals, for example, 1343675 + ... + 1343708.

It is an arithmetic number, because the mean of its divisors is an integer number (12093228).

Almost surely, 2^45685511 is an apocalyptic number.

45685511 is a deficient number, since it is larger than the sum of its proper divisors (2687401).

45685511 is a wasteful number, since it uses less digits than its factorization.

45685511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2687400.

The product of its digits is 24000, while the sum is 35.

The square root of 45685511 is about 6759.1057840516. The cubic root of 45685511 is about 357.4863763208.

The spelling of 45685511 in words is "forty-five million, six hundred eighty-five thousand, five hundred eleven".