4145441231512 has 128 divisors (see below), whose sum is σ = 9457357824000. Its totient is φ = 1663963136640.

The previous prime is 4145441231507. The next prime is 4145441231513. The reversal of 4145441231512 is 2151321445414.

4145441231512 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×4145441231512² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4145441231513) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 55862289 + ... + 55936447.

It is an arithmetic number, because the mean of its divisors is an integer number (73885608000).

Almost surely, 2^{4145441231512} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4145441231512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4728678912000).

4145441231512 is an abundant number, since it is smaller than the sum of its proper divisors (5311916592488).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4145441231512 is a wasteful number, since it uses less digits than its factorization.

4145441231512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74789 (or 74785 counting only the distinct ones).

The product of its digits is 76800, while the sum is 37.

Adding to 4145441231512 its reverse (2151321445414), we get a palindrome (6296762676926).

The spelling of 4145441231512 in words is "four trillion, one hundred forty-five billion, four hundred forty-one million, two hundred thirty-one thousand, five hundred twelve".