45143511 has 16 divisors (see below), whose sum is σ = 68889600. Its totient is φ = 25759008.

The previous prime is 45143491. The next prime is 45143531. The reversal of 45143511 is 11534154.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (45143491) and next prime (45143531).

It is not a de Polignac number, because 45143511 - 2⁷ = 45143383 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45143531) 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, 20785 + ... + 22853.

It is an arithmetic number, because the mean of its divisors is an integer number (4305600).

Almost surely, 2^45143511 is an apocalyptic number.

45143511 is a deficient number, since it is larger than the sum of its proper divisors (23746089).

45143511 is a wasteful number, since it uses less digits than its factorization.

45143511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3118.

The product of its digits is 1200, while the sum is 24.

The square root of 45143511 is about 6718.8920961718. The cubic root of 45143511 is about 356.0670427748.

Adding to 45143511 its reverse (11534154), we get a palindrome (56677665).

It can be divided in two parts, 45143 and 511, that added together give a palindrome (45654).

The spelling of 45143511 in words is "forty-five million, one hundred forty-three thousand, five hundred eleven".