2636145 has 40 divisors (see below), whose sum is σ = 4948416. Its totient is φ = 1340064.

The previous prime is 2636143. The next prime is 2636149. The reversal of 2636145 is 5416362.

It is not a de Polignac number, because 2636145 - 2¹ = 2636143 is a prime.

It is a super-2 number, since 2×2636145² = 13898520922050, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (2636143) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 9174 + ... + 9456.

2^2636145 is an apocalyptic number.

It is an amenable number.

2636145 is a deficient number, since it is larger than the sum of its proper divisors (2312271).

2636145 is a wasteful number, since it uses less digits than its factorization.

2636145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 323 (or 314 counting only the distinct ones).

The product of its digits is 4320, while the sum is 27.

The square root of 2636145 is about 1623.6209533016. The cubic root of 2636145 is about 138.1411599064.

The spelling of 2636145 in words is "two million, six hundred thirty-six thousand, one hundred forty-five".