15481048 has 64 divisors (see below), whose sum is σ = 34214400. Its totient is φ = 6491520.

The previous prime is 15481043. The next prime is 15481057. The reversal of 15481048 is 84018451.

15481048 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15481043) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 78486 + ... + 78682.

It is an arithmetic number, because the mean of its divisors is an integer number (534600).

Almost surely, 2^15481048 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 15481048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17107200).

15481048 is an abundant number, since it is smaller than the sum of its proper divisors (18733352).

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

15481048 is a wasteful number, since it uses less digits than its factorization.

15481048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 280 (or 276 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 31.

The square root of 15481048 is about 3934.5962944119. The cubic root of 15481048 is about 249.2298861345.

Adding to 15481048 its reverse (84018451), we get a palindrome (99499499).

The spelling of 15481048 in words is "fifteen million, four hundred eighty-one thousand, forty-eight".