45517869 has 20 divisors (see below), whose sum is σ = 68611356. Its totient is φ = 30070656.

The previous prime is 45517859. The next prime is 45517873. The reversal of 45517869 is 96871554.

45517869 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 11819844 + 33698025 = 3438^2 + 5805^2 .

It is not a de Polignac number, because 45517869 - 2⁴ = 45517853 is a prime.

It is a super-2 number, since 2×45517869² = 4143752796602322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45517819) 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 19 ways as a sum of consecutive naturals, for example, 6667 + ... + 11639.

Almost surely, 2^45517869 is an apocalyptic number.

It is an amenable number.

45517869 is a deficient number, since it is larger than the sum of its proper divisors (23093487).

45517869 is a wasteful number, since it uses less digits than its factorization.

45517869 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5098 (or 5089 counting only the distinct ones).

The product of its digits is 302400, while the sum is 45.

The square root of 45517869 is about 6746.6931900006. The cubic root of 45517869 is about 357.0485775292.

The spelling of 45517869 in words is "forty-five million, five hundred seventeen thousand, eight hundred sixty-nine".