45501111 has 6 divisors (see below), whose sum is σ = 65723840. Its totient is φ = 30334068.

The previous prime is 45501089. The next prime is 45501121. The reversal of 45501111 is 11110554.

It is a happy number.

45501111 is a `hidden beast` number, since 4 + 550 + 1 + 111 = 666.

It is not a de Polignac number, because 45501111 - 2⁹ = 45500599 is a prime.

It is a super-2 number, since 2×45501111² = 4140702204468642, 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 (45501121) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2527831 + ... + 2527848.

Almost surely, 2^45501111 is an apocalyptic number.

45501111 is a deficient number, since it is larger than the sum of its proper divisors (20222729).

45501111 is a wasteful number, since it uses less digits than its factorization.

45501111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5055685 (or 5055682 counting only the distinct ones).

The product of its (nonzero) digits is 100, while the sum is 18.

The square root of 45501111 is about 6745.4511339124. The cubic root of 45501111 is about 357.0047547798.

Adding to 45501111 its reverse (11110554), we get a palindrome (56611665).

The spelling of 45501111 in words is "forty-five million, five hundred one thousand, one hundred eleven".