45143653 has 8 divisors (see below), whose sum is σ = 47955672. Its totient is φ = 42349056.

The previous prime is 45143647. The next prime is 45143671. The reversal of 45143653 is 35634154.

45143653 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 213444 + 44930209 = 462^2 + 6703^2 .

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 45143653 - 2¹⁷ = 45012581 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45143353) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1201 + ... + 9577.

It is an arithmetic number, because the mean of its divisors is an integer number (5994459).

Almost surely, 2^45143653 is an apocalyptic number.

It is an amenable number.

45143653 is a deficient number, since it is larger than the sum of its proper divisors (2812019).

45143653 is a wasteful number, since it uses less digits than its factorization.

45143653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8711.

The product of its digits is 21600, while the sum is 31.

The square root of 45143653 is about 6718.9026633819. The cubic root of 45143653 is about 356.0674161136.

It can be divided in two parts, 45143 and 653, that added together give a square (45796 = 214²).

The spelling of 45143653 in words is "forty-five million, one hundred forty-three thousand, six hundred fifty-three".