63145742 has 16 divisors (see below), whose sum is σ = 103455792. Its totient is φ = 28667520.

The previous prime is 63145703. The next prime is 63145757. The reversal of 63145742 is 24754136.

63145742 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 63145699 and 63145708.

It is a congruent number.

It is an unprimeable number.

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, 27428 + ... + 29640.

It is an arithmetic number, because the mean of its divisors is an integer number (6465987).

Almost surely, 2^63145742 is an apocalyptic number.

63145742 is a deficient number, since it is larger than the sum of its proper divisors (40310050).

63145742 is a wasteful number, since it uses less digits than its factorization.

63145742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3523.

The product of its digits is 20160, while the sum is 32.

The square root of 63145742 is about 7946.4295126805. The cubic root of 63145742 is about 398.2123182202.

Adding to 63145742 its reverse (24754136), we get a palindrome (87899878).

The spelling of 63145742 in words is "sixty-three million, one hundred forty-five thousand, seven hundred forty-two".