415144252 has 6 divisors (see below), whose sum is σ = 726502448. Its totient is φ = 207572124.

The previous prime is 415144217. The next prime is 415144297. The reversal of 415144252 is 252441514.

It is a self number, because there is not a number n which added to its sum of digits gives 415144252.

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, 51893028 + ... + 51893035.

Almost surely, 2^415144252 is an apocalyptic number.

It is an amenable number.

415144252 is a deficient number, since it is larger than the sum of its proper divisors (311358196).

415144252 is a wasteful number, since it uses less digits than its factorization.

415144252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103786067 (or 103786065 counting only the distinct ones).

The product of its digits is 6400, while the sum is 28.

The square root of 415144252 is about 20375.0890059406. The cubic root of 415144252 is about 745.9900067422.

Adding to 415144252 its reverse (252441514), we get a palindrome (667585766).

It can be divided in two parts, 4 and 15144252, that added together give a triangular number (15144256 = T₅₅₀₃).

The spelling of 415144252 in words is "four hundred fifteen million, one hundred forty-four thousand, two hundred fifty-two".