15145248 has 48 divisors (see below), whose sum is σ = 40279680. Its totient is φ = 4982016.

The previous prime is 15145243. The next prime is 15145307. The reversal of 15145248 is 84254151.

It is a tau number, because it is divible by the number of its divisors (48).

It is not an unprimeable number, because it can be changed into a prime (15145243) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6586 + ... + 8582.

It is an arithmetic number, because the mean of its divisors is an integer number (839160).

Almost surely, 2^15145248 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 15145248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20139840).

15145248 is an abundant number, since it is smaller than the sum of its proper divisors (25134432).

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

15145248 is a wasteful number, since it uses less digits than its factorization.

15145248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2089 (or 2081 counting only the distinct ones).

The product of its digits is 6400, while the sum is 30.

The square root of 15145248 is about 3891.6896073557. The cubic root of 15145248 is about 247.4146792940.

Adding to 15145248 its reverse (84254151), we get a palindrome (99399399).

The spelling of 15145248 in words is "fifteen million, one hundred forty-five thousand, two hundred forty-eight".