4145521454 has 8 divisors (see below), whose sum is σ = 6237069528. Its totient is φ = 2066498280.

The previous prime is 4145521453. The next prime is 4145521481. The reversal of 4145521454 is 4541255414.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4145521453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3130397 + ... + 3131720.

It is an arithmetic number, because the mean of its divisors is an integer number (779633691).

Almost surely, 2^4145521454 is an apocalyptic number.

4145521454 is a deficient number, since it is larger than the sum of its proper divisors (2091548074).

4145521454 is a wasteful number, since it uses less digits than its factorization.

4145521454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6262450.

The product of its digits is 64000, while the sum is 35.

The square root of 4145521454 is about 64385.7239922019. The cubic root of 4145521454 is about 1606.4222928450.

Adding to 4145521454 its reverse (4541255414), we get a palindrome (8686776868).

The spelling of 4145521454 in words is "four billion, one hundred forty-five million, five hundred twenty-one thousand, four hundred fifty-four".