2715145 has 4 divisors (see below), whose sum is σ = 3258180. Its totient is φ = 2172112.

The previous prime is 2715113. The next prime is 2715161. The reversal of 2715145 is 5415172.

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 606841 + 2108304 = 779^2 + 1452^2 .

It is a cyclic number.

It is not a de Polignac number, because 2715145 - 2⁵ = 2715113 is a prime.

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, 271510 + ... + 271519.

It is an arithmetic number, because the mean of its divisors is an integer number (814545).

2^2715145 is an apocalyptic number.

It is an amenable number.

2715145 is a deficient number, since it is larger than the sum of its proper divisors (543035).

2715145 is an equidigital number, since it uses as much as digits as its factorization.

2715145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 543034.

The product of its digits is 1400, while the sum is 25.

The square root of 2715145 is about 1647.7697047828. The cubic root of 2715145 is about 139.5075384646.

The spelling of 2715145 in words is "two million, seven hundred fifteen thousand, one hundred forty-five".