15142806 has 24 divisors (see below), whose sum is σ = 37496784. Its totient is φ = 4326480.

The previous prime is 15142783. The next prime is 15142811. The reversal of 15142806 is 60824151.

It is a self number, because there is not a number n which added to its sum of digits gives 15142806.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 59965 + ... + 60216.

It is an arithmetic number, because the mean of its divisors is an integer number (1562366).

Almost surely, 2^15142806 is an apocalyptic number.

15142806 is an abundant number, since it is smaller than the sum of its proper divisors (22353978).

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

15142806 is a wasteful number, since it uses less digits than its factorization.

15142806 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120196 (or 120193 counting only the distinct ones).

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

The square root of 15142806 is about 3891.3758492338. The cubic root of 15142806 is about 247.4013809726.

Adding to 15142806 its reverse (60824151), we get a palindrome (75966957).

The spelling of 15142806 in words is "fifteen million, one hundred forty-two thousand, eight hundred six".