2052145 has 8 divisors (see below), whose sum is σ = 2473704. Its totient is φ = 1634304.

The previous prime is 2052137. The next prime is 2052157. The reversal of 2052145 is 5412502.

It can be written as a sum of positive squares in 4 ways, for example, as 456976 + 1595169 = 676^2 + 1263^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2052145 - 2³ = 2052137 is a prime.

It is a super-2 number, since 2×2052145² = 8422598202050, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 487 + ... + 2083.

It is an arithmetic number, because the mean of its divisors is an integer number (309213).

2^2052145 is an apocalyptic number.

It is an amenable number.

2052145 is a deficient number, since it is larger than the sum of its proper divisors (421559).

2052145 is a wasteful number, since it uses less digits than its factorization.

2052145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1859.

The product of its (nonzero) digits is 400, while the sum is 19.

The square root of 2052145 is about 1432.5309769775. The cubic root of 2052145 is about 127.0777006073.

Adding to 2052145 its reverse (5412502), we get a palindrome (7464647).

It can be divided in two parts, 2052 and 145, that added together give a cube (2197 = 13³).

The spelling of 2052145 in words is "two million, fifty-two thousand, one hundred forty-five".