2069145 has 48 divisors (see below), whose sum is σ = 4036032. Its totient is φ = 1010880.

The previous prime is 2069141. The next prime is 2069183. The reversal of 2069145 is 5419602.

It is not a de Polignac number, because 2069145 - 2² = 2069141 is a prime.

It is a super-2 number, since 2×2069145² = 8562722062050, which contains 22 as substring.

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

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2069141) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 15730 + ... + 15860.

It is an arithmetic number, because the mean of its divisors is an integer number (84084).

2^2069145 is an apocalyptic number.

It is an amenable number.

2069145 is a deficient number, since it is larger than the sum of its proper divisors (1966887).

2069145 is a wasteful number, since it uses less digits than its factorization.

2069145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164 (or 152 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 2069145 is about 1438.4522932652. The cubic root of 2069145 is about 127.4276406029.

It can be divided in two parts, 20691 and 45, that added together give a 4-th power (20736 = 12⁴).

The spelling of 2069145 in words is "two million, sixty-nine thousand, one hundred forty-five".