15128245 has 8 divisors (see below), whose sum is σ = 19804320. Its totient is φ = 11002320.

The previous prime is 15128233. The next prime is 15128251. The reversal of 15128245 is 54282151.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 15128245 - 2⁹ = 15127733 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 137475 + ... + 137584.

It is an arithmetic number, because the mean of its divisors is an integer number (2475540).

Almost surely, 2^15128245 is an apocalyptic number.

It is an amenable number.

15128245 is a deficient number, since it is larger than the sum of its proper divisors (4676075).

15128245 is a wasteful number, since it uses less digits than its factorization.

15128245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 275075.

The product of its digits is 3200, while the sum is 28.

The square root of 15128245 is about 3889.5044671526. The cubic root of 15128245 is about 247.3220569074.

The spelling of 15128245 in words is "fifteen million, one hundred twenty-eight thousand, two hundred forty-five".