15135048 has 24 divisors (see below), whose sum is σ = 40990950. Its totient is φ = 5044992.

The previous prime is 15135047. The next prime is 15135059. The reversal of 15135048 is 84053151.

15135048 is a `hidden beast` number, since 151 + 3 + 504 + 8 = 666.

15135048 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 12830724 + 2304324 = 3582^2 + 1518^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is not an unprimeable number, because it can be changed into a prime (15135047) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 105033 + ... + 105176.

Almost surely, 2^15135048 is an apocalyptic number.

15135048 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

15135048 is an abundant number, since it is smaller than the sum of its proper divisors (25855902).

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

15135048 is a wasteful number, since it uses less digits than its factorization.

15135048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210221 (or 210214 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 27.

The square root of 15135048 is about 3890.3789018552. The cubic root of 15135048 is about 247.3591239920.

Adding to 15135048 its reverse (84053151), we get a palindrome (99188199).

It can be divided in two parts, 1513 and 5048, that added together give a 8-th power (6561 = 3⁸).

The spelling of 15135048 in words is "fifteen million, one hundred thirty-five thousand, forty-eight".