2145134300 has 18 divisors (see below), whose sum is σ = 4654941648. Its totient is φ = 858053680.

The previous prime is 2145134297. The next prime is 2145134347. The reversal of 2145134300 is 34315412.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10725572 + ... + 10725771.

Almost surely, 2^2145134300 is an apocalyptic number.

2145134300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2145134300 is an abundant number, since it is smaller than the sum of its proper divisors (2509807348).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2145134300 is a wasteful number, since it uses less digits than its factorization.

2145134300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21451357 (or 21451350 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 2145134300 is about 46315.5945659775. The cubic root of 2145134300 is about 1289.6885052036.

Adding to 2145134300 its reverse (34315412), we get a palindrome (2179449712).

The spelling of 2145134300 in words is "two billion, one hundred forty-five million, one hundred thirty-four thousand, three hundred".