415145144 has 8 divisors (see below), whose sum is σ = 778397160. Its totient is φ = 207572568.

The previous prime is 415145119. The next prime is 415145161. The reversal of 415145144 is 441541514.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25946564 + ... + 25946579.

It is an arithmetic number, because the mean of its divisors is an integer number (97299645).

Almost surely, 2^415145144 is an apocalyptic number.

It is an amenable number.

415145144 is a deficient number, since it is larger than the sum of its proper divisors (363252016).

415145144 is a wasteful number, since it uses less digits than its factorization.

415145144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51893149 (or 51893145 counting only the distinct ones).

The product of its digits is 6400, while the sum is 29.

The square root of 415145144 is about 20375.1108954037. The cubic root of 415145144 is about 745.9905410325.

Adding to 415145144 its reverse (441541514), we get a palindrome (856686658).

The spelling of 415145144 in words is "four hundred fifteen million, one hundred forty-five thousand, one hundred forty-four".