45135543 has 4 divisors (see below), whose sum is σ = 60180728. Its totient is φ = 30090360.

The previous prime is 45135533. The next prime is 45135551. The reversal of 45135543 is 34553154.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 45135543 - 2⁵ = 45135511 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 45135543.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45135533) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7522588 + ... + 7522593.

It is an arithmetic number, because the mean of its divisors is an integer number (15045182).

Almost surely, 2^45135543 is an apocalyptic number.

45135543 is a deficient number, since it is larger than the sum of its proper divisors (15045185).

45135543 is a wasteful number, since it uses less digits than its factorization.

45135543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15045184.

The product of its digits is 18000, while the sum is 30.

The square root of 45135543 is about 6718.2991151035. The cubic root of 45135543 is about 356.0460924834.

Adding to 45135543 its reverse (34553154), we get a palindrome (79688697).

The spelling of 45135543 in words is "forty-five million, one hundred thirty-five thousand, five hundred forty-three".