2145134050434 has 12 divisors (see below), whose sum is σ = 4647790442646. Its totient is φ = 715044683472.

The previous prime is 2145134050421. The next prime is 2145134050439. The reversal of 2145134050434 is 4340504315412.

2145134050434 is a `hidden beast` number, since 2 + 1 + 45 + 134 + 0 + 50 + 434 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1270996938225 + 874137112209 = 1127385^2 + 934953^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2145134050439) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 59587056939 + ... + 59587056974.

Almost surely, 2^{2145134050434} is an apocalyptic number.

2145134050434 is an abundant number, since it is smaller than the sum of its proper divisors (2502656392212).

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

2145134050434 is a wasteful number, since it uses less digits than its factorization.

2145134050434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119174113921 (or 119174113918 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 36.

Adding to 2145134050434 its reverse (4340504315412), we get a palindrome (6485638365846).

The spelling of 2145134050434 in words is "two trillion, one hundred forty-five billion, one hundred thirty-four million, fifty thousand, four hundred thirty-four".