45643011 has 16 divisors (see below), whose sum is σ = 65082528. Its totient is φ = 28352000.

The previous prime is 45643001. The next prime is 45643019. The reversal of 45643011 is 11034654.

It is a cyclic number.

It is not a de Polignac number, because 45643011 - 2⁵ = 45642979 is a prime.

It is a super-2 number, since 2×45643011² = 4166568906292242, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (45643019) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 721 + ... + 9581.

It is an arithmetic number, because the mean of its divisors is an integer number (4067658).

Almost surely, 2^45643011 is an apocalyptic number.

45643011 is a deficient number, since it is larger than the sum of its proper divisors (19439517).

45643011 is a wasteful number, since it uses less digits than its factorization.

45643011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8982.

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 45643011 is about 6755.9611455366. The cubic root of 45643011 is about 357.3754886136.

Adding to 45643011 its reverse (11034654), we get a palindrome (56677665).

The spelling of 45643011 in words is "forty-five million, six hundred forty-three thousand, eleven".