2145142541344 has 48 divisors (see below), whose sum is σ = 4607943621120. Its totient is φ = 974903420160.

The previous prime is 2145142541251. The next prime is 2145142541351. The reversal of 2145142541344 is 4431452415412.

It is a junction number, because it is equal to n+sod(n) for n = 2145142541297 and 2145142541306.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1638562 + ... + 2641054.

It is an arithmetic number, because the mean of its divisors is an integer number (95998825440).

Almost surely, 2^{2145142541344} is an apocalyptic number.

It is an amenable number.

2145142541344 is an abundant number, since it is smaller than the sum of its proper divisors (2462801079776).

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

2145142541344 is a wasteful number, since it uses less digits than its factorization.

2145142541344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1008593 (or 1008585 counting only the distinct ones).

The product of its digits is 307200, while the sum is 40.

Adding to 2145142541344 its reverse (4431452415412), we get a palindrome (6576594956756).

The spelling of 2145142541344 in words is "two trillion, one hundred forty-five billion, one hundred forty-two million, five hundred forty-one thousand, three hundred forty-four".