15000146 has 8 divisors (see below), whose sum is σ = 25714560. Its totient is φ = 6428628.

The previous prime is 15000131. The next prime is 15000151. The reversal of 15000146 is 64100051.

It is a happy number.

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

It is a Curzon 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, 535706 + ... + 535733.

It is an arithmetic number, because the mean of its divisors is an integer number (3214320).

Almost surely, 2^15000146 is an apocalyptic number.

15000146 is a deficient number, since it is larger than the sum of its proper divisors (10714414).

15000146 is a wasteful number, since it uses less digits than its factorization.

15000146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1071448.

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 15000146 is about 3873.0021946805. The cubic root of 15000146 is about 246.6220075793.

Subtracting from 15000146 its sum of digits (17), we obtain a square (15000129 = 3873²).

Adding to 15000146 its reverse (64100051), we get a palindrome (79100197).

The spelling of 15000146 in words is "fifteen million, one hundred forty-six", and thus it is an aban number.