815542248 has 16 divisors (see below), whose sum is σ = 2038855680. Its totient is φ = 271847408.

The previous prime is 815542243. The next prime is 815542249. The reversal of 815542248 is 842245518.

It is a happy number.

815542248 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (815542243) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16990440 + ... + 16990487.

It is an arithmetic number, because the mean of its divisors is an integer number (127428480).

Almost surely, 2^815542248 is an apocalyptic number.

It is an amenable number.

815542248 is an abundant number, since it is smaller than the sum of its proper divisors (1223313432).

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

815542248 is a wasteful number, since it uses less digits than its factorization.

815542248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33980936 (or 33980932 counting only the distinct ones).

The product of its digits is 102400, while the sum is 39.

The square root of 815542248 is about 28557.7003275824. The cubic root of 815542248 is about 934.2909770539.

It can be divided in two parts, 8155 and 42248, that added together give a triangular number (50403 = T₃₁₇).

The spelling of 815542248 in words is "eight hundred fifteen million, five hundred forty-two thousand, two hundred forty-eight".