2145134126250 has 60 divisors (see below), whose sum is σ = 5807879172810. Its totient is φ = 572035764000.

The previous prime is 2145134126231. The next prime is 2145134126297. The reversal of 2145134126250 is 526214315412.

2145134126250 is a `hidden beast` number, since 2 + 1 + 4 + 5 + 1 + 341 + 262 + 50 = 666.

It can be written as a sum of positive squares in 5 ways, for example, as 330426079929 + 1814708046321 = 574827^2 + 1347111^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 95328045 + ... + 95350544.

Almost surely, 2^{2145134126250} is an apocalyptic number.

2145134126250 is an abundant number, since it is smaller than the sum of its proper divisors (3662745046560).

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

2145134126250 is a wasteful number, since it uses less digits than its factorization.

2145134126250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190678617 (or 190678599 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 36.

The spelling of 2145134126250 in words is "two trillion, one hundred forty-five billion, one hundred thirty-four million, one hundred twenty-six thousand, two hundred fifty".