2145035054420 has 12 divisors (see below), whose sum is σ = 4504573614324. Its totient is φ = 858014021760.

The previous prime is 2145035054411. The next prime is 2145035054509. The reversal of 2145035054420 is 244505305412.

It can be written as a sum of positive squares in 2 ways, for example, as 901109735824 + 1243925318596 = 949268^2 + 1115314^2 .

It is a super-2 number, since 2×2145035054420² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53625876341 + ... + 53625876380.

It is an arithmetic number, because the mean of its divisors is an integer number (375381134527).

Almost surely, 2^{2145035054420} is an apocalyptic number.

2145035054420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2145035054420 is an abundant number, since it is smaller than the sum of its proper divisors (2359538559904).

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

2145035054420 is a wasteful number, since it uses less digits than its factorization.

2145035054420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107251752730 (or 107251752728 counting only the distinct ones).

The product of its (nonzero) digits is 96000, while the sum is 35.

The spelling of 2145035054420 in words is "two trillion, one hundred forty-five billion, thirty-five million, fifty-four thousand, four hundred twenty".