103144115 has 4 divisors (see below), whose sum is σ = 123772944. Its totient is φ = 82515288.

The previous prime is 103144079. The next prime is 103144127. The reversal of 103144115 is 511441301.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 511441301 = 7 ⋅73063043.

It is a cyclic number.

It is not a de Polignac number, because 103144115 - 2⁶ = 103144051 is a prime.

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, 10314407 + ... + 10314416.

It is an arithmetic number, because the mean of its divisors is an integer number (30943236).

Almost surely, 2^103144115 is an apocalyptic number.

103144115 is a deficient number, since it is larger than the sum of its proper divisors (20628829).

103144115 is an equidigital number, since it uses as much as digits as its factorization.

103144115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20628828.

The product of its (nonzero) digits is 240, while the sum is 20.

The square root of 103144115 is about 10155.9891197263. The cubic root of 103144115 is about 468.9733361819.

Adding to 103144115 its reverse (511441301), we get a palindrome (614585416).

The spelling of 103144115 in words is "one hundred three million, one hundred forty-four thousand, one hundred fifteen".