15045146 has 4 divisors (see below), whose sum is σ = 22567722. Its totient is φ = 7522572.

The previous prime is 15045139. The next prime is 15045179. The reversal of 15045146 is 64154051.

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., 14784025 + 261121 = 3845^2 + 511^2 .

It is a super-2 number, since 2×15045146² = 452712836322632, which contains 22 as substring.

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 as a sum of consecutive naturals, namely, 3761285 + ... + 3761288.

Almost surely, 2^15045146 is an apocalyptic number.

15045146 is a deficient number, since it is larger than the sum of its proper divisors (7522576).

15045146 is an equidigital number, since it uses as much as digits as its factorization.

15045146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7522575.

The product of its (nonzero) digits is 2400, while the sum is 26.

The square root of 15045146 is about 3878.8072909079. The cubic root of 15045146 is about 246.8683809794.

Adding to 15045146 its reverse (64154051), we get a palindrome (79199197).

The spelling of 15045146 in words is "fifteen million, forty-five thousand, one hundred forty-six".