15106842 has 12 divisors (see below), whose sum is σ = 32731530. Its totient is φ = 5035608.

The previous prime is 15106813. The next prime is 15106849. The reversal of 15106842 is 24860151.

It can be written as a sum of positive squares in only one way, i.e., 12047841 + 3059001 = 3471^2 + 1749^2 .

It is not an unprimeable number, because it can be changed into a prime (15106849) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 419617 + ... + 419652.

Almost surely, 2^15106842 is an apocalyptic number.

15106842 is an abundant number, since it is smaller than the sum of its proper divisors (17624688).

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

15106842 is a wasteful number, since it uses less digits than its factorization.

15106842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 839277 (or 839274 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 27.

The square root of 15106842 is about 3886.7521145553. The cubic root of 15106842 is about 247.2053671817.

Adding to 15106842 its reverse (24860151), we get a palindrome (39966993).

The spelling of 15106842 in words is "fifteen million, one hundred six thousand, eight hundred forty-two".