15140115 has 48 divisors (see below), whose sum is σ = 28855008. Its totient is φ = 7589376.

The previous prime is 15140101. The next prime is 15140129. The reversal of 15140115 is 51104151.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (15140101) and next prime (15140129).

It is not a de Polignac number, because 15140115 - 2⁷ = 15139987 is a prime.

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 47 ways as a sum of consecutive naturals, for example, 20289 + ... + 21021.

It is an arithmetic number, because the mean of its divisors is an integer number (601146).

Almost surely, 2^15140115 is an apocalyptic number.

15140115 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

15140115 is a deficient number, since it is larger than the sum of its proper divisors (13714893).

15140115 is an equidigital number, since it uses as much as digits as its factorization.

15140115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 770 (or 758 counting only the distinct ones).

The product of its (nonzero) digits is 100, while the sum is 18.

The square root of 15140115 is about 3891.0300692747. The cubic root of 15140115 is about 247.3867250241.

Adding to 15140115 its reverse (51104151), we get a palindrome (66244266).

The spelling of 15140115 in words is "fifteen million, one hundred forty thousand, one hundred fifteen".