2145401543214 has 48 divisors (see below), whose sum is σ = 4804864481664. Its totient is φ = 691120728000.

The previous prime is 2145401543203. The next prime is 2145401543221. The reversal of 2145401543214 is 4123451045412.

2145401543214 is a `hidden beast` number, since 2 + 145 + 40 + 154 + 321 + 4 = 666.

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 23 ways as a sum of consecutive naturals, for example, 2213637 + ... + 3031664.

It is an arithmetic number, because the mean of its divisors is an integer number (100101343368).

Almost surely, 2^{2145401543214} is an apocalyptic number.

2145401543214 is an abundant number, since it is smaller than the sum of its proper divisors (2659462938450).

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

2145401543214 is a wasteful number, since it uses less digits than its factorization.

2145401543214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5246073 (or 5246070 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 36.

Adding to 2145401543214 its reverse (4123451045412), we get a palindrome (6268852588626).

The spelling of 2145401543214 in words is "two trillion, one hundred forty-five billion, four hundred one million, five hundred forty-three thousand, two hundred fourteen".