15050138 has 8 divisors (see below), whose sum is σ = 22595700. Its totient is φ = 7518240.

The previous prime is 15050137. The next prime is 15050149. The reversal of 15050138 is 83105051.

It can be written as a sum of positive squares in 2 ways, for example, as 14115049 + 935089 = 3757^2 + 967^2 .

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

It is not an unprimeable number, because it can be changed into a prime (15050137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38 + ... + 5486.

Almost surely, 2^15050138 is an apocalyptic number.

15050138 is a deficient number, since it is larger than the sum of its proper divisors (7545562).

15050138 is a wasteful number, since it uses less digits than its factorization.

15050138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6832.

The product of its (nonzero) digits is 600, while the sum is 23.

The square root of 15050138 is about 3879.4507343179. The cubic root of 15050138 is about 246.8956817155.

Adding to 15050138 its reverse (83105051), we get a palindrome (98155189).

The spelling of 15050138 in words is "fifteen million, fifty thousand, one hundred thirty-eight".