2145983023068 has 48 divisors (see below), whose sum is σ = 5144639900064. Its totient is φ = 695721934080.

The previous prime is 2145983023061. The next prime is 2145983023069. The reversal of 2145983023068 is 8603203895412.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 2145983023068.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2145983023061) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 190198 + ... + 2080418.

It is an arithmetic number, because the mean of its divisors is an integer number (107179997918).

Almost surely, 2^{2145983023068} is an apocalyptic number.

It is an amenable number.

2145983023068 is an abundant number, since it is smaller than the sum of its proper divisors (2998656876996).

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

2145983023068 is a wasteful number, since it uses less digits than its factorization.

2145983023068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1892822 (or 1892820 counting only the distinct ones).

The product of its (nonzero) digits is 2488320, while the sum is 51.

The spelling of 2145983023068 in words is "two trillion, one hundred forty-five billion, nine hundred eighty-three million, twenty-three thousand, sixty-eight".