15242448 has 60 divisors (see below), whose sum is σ = 42660960. Its totient is φ = 4687488.

The previous prime is 15242443. The next prime is 15242449. The reversal of 15242448 is 84424251.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15242441) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7173 + ... + 9051.

It is an arithmetic number, because the mean of its divisors is an integer number (711016).

Almost surely, 2^15242448 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 15242448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21330480).

15242448 is an abundant number, since it is smaller than the sum of its proper divisors (27418512).

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

15242448 is a wasteful number, since it uses less digits than its factorization.

15242448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1916 (or 1897 counting only the distinct ones).

The product of its digits is 10240, while the sum is 30.

The square root of 15242448 is about 3904.1577836968. The cubic root of 15242448 is about 247.9428414925.

Adding to 15242448 its reverse (84424251), we get a palindrome (99666699).

The spelling of 15242448 in words is "fifteen million, two hundred forty-two thousand, four hundred forty-eight".