15493142 has 8 divisors (see below), whose sum is σ = 26559696. Its totient is φ = 6639912.

The previous prime is 15493109. The next prime is 15493183. The reversal of 15493142 is 24139451.

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

It is a zygodrome in base 11.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 553313 + ... + 553340.

It is an arithmetic number, because the mean of its divisors is an integer number (3319962).

Almost surely, 2^15493142 is an apocalyptic number.

15493142 is a deficient number, since it is larger than the sum of its proper divisors (11066554).

15493142 is a wasteful number, since it uses less digits than its factorization.

15493142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1106662.

The product of its digits is 4320, while the sum is 29.

The square root of 15493142 is about 3936.1328737734. The cubic root of 15493142 is about 249.2947698055.

The spelling of 15493142 in words is "fifteen million, four hundred ninety-three thousand, one hundred forty-two".