2134545 has 32 divisors (see below), whose sum is σ = 4043520. Its totient is φ = 940800.

The previous prime is 2134529. The next prime is 2134549. The reversal of 2134545 is 5454312.

It is not a de Polignac number, because 2134545 - 2⁴ = 2134529 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2134549) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2695 + ... + 3395.

It is an arithmetic number, because the mean of its divisors is an integer number (126360).

2^2134545 is an apocalyptic number.

It is an amenable number.

2134545 is a deficient number, since it is larger than the sum of its proper divisors (1908975).

2134545 is a wasteful number, since it uses less digits than its factorization.

2134545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 745.

The product of its digits is 2400, while the sum is 24.

The square root of 2134545 is about 1461.0082135293. The cubic root of 2134545 is about 128.7562852369.

Subtracting from 2134545 its sum of digits (24), we obtain a square (2134521 = 1461²).

Adding to 2134545 its reverse (5454312), we get a palindrome (7588857).

The spelling of 2134545 in words is "two million, one hundred thirty-four thousand, five hundred forty-five".