15147946 has 8 divisors (see below), whose sum is σ = 24787584. Its totient is φ = 6885420.

The previous prime is 15147943. The next prime is 15147973. The reversal of 15147946 is 64974151.

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 (15147941) 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, 344250 + ... + 344293.

It is an arithmetic number, because the mean of its divisors is an integer number (3098448).

Almost surely, 2^15147946 is an apocalyptic number.

15147946 is a deficient number, since it is larger than the sum of its proper divisors (9639638).

15147946 is a wasteful number, since it uses less digits than its factorization.

15147946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 688556.

The product of its digits is 30240, while the sum is 37.

The square root of 15147946 is about 3892.0362279917. The cubic root of 15147946 is about 247.4293700443.

It can be divided in two parts, 151479 and 46, that added together give a triangular number (151525 = T₅₅₀).

The spelling of 15147946 in words is "fifteen million, one hundred forty-seven thousand, nine hundred forty-six".