15399148 has 6 divisors (see below), whose sum is σ = 26948516. Its totient is φ = 7699572.

The previous prime is 15399143. The next prime is 15399151. The reversal of 15399148 is 84199351.

It is a self number, because there is not a number n which added to its sum of digits gives 15399148.

It is not an unprimeable number, because it can be changed into a prime (15399143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1924890 + ... + 1924897.

Almost surely, 2^15399148 is an apocalyptic number.

It is an amenable number.

15399148 is a deficient number, since it is larger than the sum of its proper divisors (11549368).

15399148 is a wasteful number, since it uses less digits than its factorization.

15399148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3849791 (or 3849789 counting only the distinct ones).

The product of its digits is 38880, while the sum is 40.

The square root of 15399148 is about 3924.1748177165. The cubic root of 15399148 is about 248.7896052356.

The spelling of 15399148 in words is "fifteen million, three hundred ninety-nine thousand, one hundred forty-eight".