4145421454 has 16 divisors (see below), whose sum is σ = 6331166928. Its totient is φ = 2035230912.

The previous prime is 4145421451. The next prime is 4145421473. The reversal of 4145421454 is 4541245414.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4145421451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7477 + ... + 91360.

It is an arithmetic number, because the mean of its divisors is an integer number (395697933).

Almost surely, 2^4145421454 is an apocalyptic number.

4145421454 is a deficient number, since it is larger than the sum of its proper divisors (2185745474).

4145421454 is a wasteful number, since it uses less digits than its factorization.

4145421454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99219.

The product of its digits is 51200, while the sum is 34.

The square root of 4145421454 is about 64384.9474178554. The cubic root of 4145421454 is about 1606.4093758113.

Adding to 4145421454 its reverse (4541245414), we get a palindrome (8686666868).

The spelling of 4145421454 in words is "four billion, one hundred forty-five million, four hundred twenty-one thousand, four hundred fifty-four".