2145526401443 has 24 divisors (see below), whose sum is σ = 2357598272400. Its totient is φ = 1950606586368.

The previous prime is 2145526401419. The next prime is 2145526401467. The reversal of 2145526401443 is 3441046255412.

It is an interprime number because it is at equal distance from previous prime (2145526401419) and next prime (2145526401467).

It is not a de Polignac number, because 2145526401443 - 2⁶ = 2145526401379 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2145526401443.

It is not an unprimeable number, because it can be changed into a prime (2145526403443) by changing a digit.

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, 764573 + ... + 2208081.

It is an arithmetic number, because the mean of its divisors is an integer number (98233261350).

Almost surely, 2^{2145526401443} is an apocalyptic number.

2145526401443 is a deficient number, since it is larger than the sum of its proper divisors (212071870957).

2145526401443 is a wasteful number, since it uses less digits than its factorization.

2145526401443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1443719 (or 1443702 counting only the distinct ones).

The product of its (nonzero) digits is 460800, while the sum is 41.

The spelling of 2145526401443 in words is "two trillion, one hundred forty-five billion, five hundred twenty-six million, four hundred one thousand, four hundred forty-three".