15238145 has 16 divisors (see below), whose sum is σ = 19992000. Its totient is φ = 11081664.

The previous prime is 15238141. The next prime is 15238159. The reversal of 15238145 is 54183251.

It is a cyclic number.

It is not a de Polignac number, because 15238145 - 2² = 15238141 is a prime.

It is not an unprimeable number, because it can be changed into a prime (15238141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2606 + ... + 6104.

It is an arithmetic number, because the mean of its divisors is an integer number (1249500).

Almost surely, 2^15238145 is an apocalyptic number.

It is an amenable number.

15238145 is a deficient number, since it is larger than the sum of its proper divisors (4753855).

15238145 is a wasteful number, since it uses less digits than its factorization.

15238145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3584.

The product of its digits is 4800, while the sum is 29.

The square root of 15238145 is about 3903.6066656363. The cubic root of 15238145 is about 247.9195075666.

The spelling of 15238145 in words is "fifteen million, two hundred thirty-eight thousand, one hundred forty-five".