2102045 has 8 divisors (see below), whose sum is σ = 2751840. Its totient is φ = 1528720.

The previous prime is 2102021. The next prime is 2102057. The reversal of 2102045 is 5402012.

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

It is not a de Polignac number, because 2102045 - 2⁸ = 2101789 is a prime.

It is a Curzon number.

It is a congruent 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, 19055 + ... + 19164.

It is an arithmetic number, because the mean of its divisors is an integer number (343980).

2^2102045 is an apocalyptic number.

It is an amenable number.

2102045 is a deficient number, since it is larger than the sum of its proper divisors (649795).

2102045 is a wasteful number, since it uses less digits than its factorization.

2102045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38235.

The product of its (nonzero) digits is 80, while the sum is 14.

The square root of 2102045 is about 1449.8430949589. The cubic root of 2102045 is about 128.0994710192.

Adding to 2102045 its reverse (5402012), we get a palindrome (7504057).

The spelling of 2102045 in words is "two million, one hundred two thousand, forty-five".