45105511 has 8 divisors (see below), whose sum is σ = 49390848. Its totient is φ = 40851000.

The previous prime is 45105509. The next prime is 45105517. The reversal of 45105511 is 11550154.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 45105511 - 2¹ = 45105509 is a prime.

It is a super-2 number, since 2×45105511² = 4069014245142242, 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 (45105517) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4585 + ... + 10546.

It is an arithmetic number, because the mean of its divisors is an integer number (6173856).

Almost surely, 2^45105511 is an apocalyptic number.

45105511 is a deficient number, since it is larger than the sum of its proper divisors (4285337).

45105511 is a wasteful number, since it uses less digits than its factorization.

45105511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15413.

The product of its (nonzero) digits is 500, while the sum is 22.

The square root of 45105511 is about 6716.0636536590. The cubic root of 45105511 is about 355.9671070691.

Adding to 45105511 its reverse (11550154), we get a palindrome (56655665).

It can be divided in two parts, 45105 and 511, that multiplied together give a triangular number (23048655 = T₆₇₈₉).

The spelling of 45105511 in words is "forty-five million, one hundred five thousand, five hundred eleven".