15142946 has 16 divisors (see below), whose sum is σ = 27956544. Its totient is φ = 5990544.

The previous prime is 15142921. The next prime is 15142969. The reversal of 15142946 is 64924151.

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, 41420 + ... + 41783.

It is an arithmetic number, because the mean of its divisors is an integer number (1747284).

Almost surely, 2^15142946 is an apocalyptic number.

15142946 is a deficient number, since it is larger than the sum of its proper divisors (12813598).

15142946 is a wasteful number, since it uses less digits than its factorization.

15142946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83225.

The product of its digits is 8640, while the sum is 32.

The square root of 15142946 is about 3891.3938376885. The cubic root of 15142946 is about 247.4021434048.

It can be divided in two parts, 151 and 42946, that multiplied together give a palindrome (6484846).

The spelling of 15142946 in words is "fifteen million, one hundred forty-two thousand, nine hundred forty-six".