15030146 has 4 divisors (see below), whose sum is σ = 22545222. Its totient is φ = 7515072.

The previous prime is 15030139. The next prime is 15030151. The reversal of 15030146 is 64103051.

15030146 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 14326225 + 703921 = 3785^2 + 839^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3757535 + ... + 3757538.

Almost surely, 2^15030146 is an apocalyptic number.

15030146 is a deficient number, since it is larger than the sum of its proper divisors (7515076).

15030146 is an equidigital number, since it uses as much as digits as its factorization.

15030146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7515075.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 15030146 is about 3876.8732246490. The cubic root of 15030146 is about 246.7863111647.

Adding to 15030146 its reverse (64103051), we get a palindrome (79133197).

The spelling of 15030146 in words is "fifteen million, thirty thousand, one hundred forty-six".