2130045 has 16 divisors (see below), whose sum is σ = 3429312. Its totient is φ = 1128960.

The previous prime is 2130031. The next prime is 2130047. The reversal of 2130045 is 5400312.

It is not a de Polignac number, because 2130045 - 2⁵ = 2130013 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (15).

2130045 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2130047) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2829 + ... + 3501.

It is an arithmetic number, because the mean of its divisors is an integer number (214332).

2^2130045 is an apocalyptic number.

It is an amenable number.

2130045 is a deficient number, since it is larger than the sum of its proper divisors (1299267).

2130045 is a wasteful number, since it uses less digits than its factorization.

2130045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 892.

The product of its (nonzero) digits is 120, while the sum is 15.

The square root of 2130045 is about 1459.4673685972. The cubic root of 2130045 is about 128.6657412064.

Adding to 2130045 its reverse (5400312), we get a palindrome (7530357).

The spelling of 2130045 in words is "two million, one hundred thirty thousand, forty-five".