4145579121 has 8 divisors (see below), whose sum is σ = 5527740064. Its totient is φ = 2763568800.

The previous prime is 4145579111. The next prime is 4145579159. The reversal of 4145579121 is 1219755414.

It is a happy number.

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

It is not a de Polignac number, because 4145579121 - 2⁵ = 4145579089 is a prime.

It is a super-2 number, since 2×4145579121² = 34371652496942265282, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4145579121.

It is not an unprimeable number, because it can be changed into a prime (4145579111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 73146 + ... + 116796.

It is an arithmetic number, because the mean of its divisors is an integer number (690967508).

Almost surely, 2^4145579121 is an apocalyptic number.

It is an amenable number.

4145579121 is a deficient number, since it is larger than the sum of its proper divisors (1382160943).

4145579121 is a wasteful number, since it uses less digits than its factorization.

4145579121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75311.

The product of its digits is 50400, while the sum is 39.

The square root of 4145579121 is about 64386.1718150722. The cubic root of 4145579121 is about 1606.4297416163.

The spelling of 4145579121 in words is "four billion, one hundred forty-five million, five hundred seventy-nine thousand, one hundred twenty-one".