3145115 has 4 divisors (see below), whose sum is σ = 3774144. Its totient is φ = 2516088.

The previous prime is 3145097. The next prime is 3145117. The reversal of 3145115 is 5115413.

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

It is a cyclic number.

It is not a de Polignac number, because 3145115 - 2¹⁰ = 3144091 is a prime.

It is a super-3 number, since 3×3145115³ = 93332058460213187625, which contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3145117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 314507 + ... + 314516.

It is an arithmetic number, because the mean of its divisors is an integer number (943536).

Almost surely, 2^3145115 is an apocalyptic number.

3145115 is a deficient number, since it is larger than the sum of its proper divisors (629029).

3145115 is an equidigital number, since it uses as much as digits as its factorization.

3145115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 629028.

The product of its digits is 300, while the sum is 20.

The square root of 3145115 is about 1773.4472081232. The cubic root of 3145115 is about 146.5139048798.

It can be divided in two parts, 3145 and 115, that multiplied together give a triangular number (361675 = T₈₅₀).

The spelling of 3145115 in words is "three million, one hundred forty-five thousand, one hundred fifteen".