63145543 has 16 divisors (see below), whose sum is σ = 67403776. Its totient is φ = 59058720.

The previous prime is 63145469. The next prime is 63145549. The reversal of 63145543 is 34554136.

63145543 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 63145543 - 2¹³ = 63137351 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63145549) 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 15 ways as a sum of consecutive naturals, for example, 169105 + ... + 169477.

It is an arithmetic number, because the mean of its divisors is an integer number (4212736).

Almost surely, 2^63145543 is an apocalyptic number.

63145543 is a deficient number, since it is larger than the sum of its proper divisors (4258233).

63145543 is a wasteful number, since it uses less digits than its factorization.

63145543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 574.

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

The square root of 63145543 is about 7946.4169913238. The cubic root of 63145543 is about 398.2118999057.

Adding to 63145543 its reverse (34554136), we get a palindrome (97699679).

The spelling of 63145543 in words is "sixty-three million, one hundred forty-five thousand, five hundred forty-three".