15040105 has 4 divisors (see below), whose sum is σ = 18048132. Its totient is φ = 12032080.

The previous prime is 15040097. The next prime is 15040111. The reversal of 15040105 is 50104051.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 10004569 + 5035536 = 3163^2 + 2244^2 .

It is not a de Polignac number, because 15040105 - 2³ = 15040097 is a prime.

It is a super-2 number, since 2×15040105² = 452409516822050, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1504006 + ... + 1504015.

It is an arithmetic number, because the mean of its divisors is an integer number (4512033).

Almost surely, 2^15040105 is an apocalyptic number.

It is an amenable number.

15040105 is a deficient number, since it is larger than the sum of its proper divisors (3008027).

15040105 is an equidigital number, since it uses as much as digits as its factorization.

15040105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3008026.

The product of its (nonzero) digits is 100, while the sum is 16.

The square root of 15040105 is about 3878.1574233133. The cubic root of 15040105 is about 246.8408061385.

Adding to 15040105 its reverse (50104051), we get a palindrome (65144156).

The spelling of 15040105 in words is "fifteen million, forty thousand, one hundred five".