1445731460143 has 4 divisors (see below), whose sum is σ = 1447879650208. Its totient is φ = 1443583270080.

The previous prime is 1445731460137. The next prime is 1445731460149. The reversal of 1445731460143 is 3410641375441.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (1445731460137) and next prime (1445731460149).

It is a cyclic number.

It is not a de Polignac number, because 1445731460143 - 2¹³ = 1445731451951 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 1445731460143.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1445731460149) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1074094023 + ... + 1074095368.

It is an arithmetic number, because the mean of its divisors is an integer number (361969912552).

Almost surely, 2^{1445731460143} is an apocalyptic number.

1445731460143 is a deficient number, since it is larger than the sum of its proper divisors (2148190065).

1445731460143 is an equidigital number, since it uses as much as digits as its factorization.

1445731460143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2148190064.

The product of its (nonzero) digits is 483840, while the sum is 43.

The spelling of 1445731460143 in words is "one trillion, four hundred forty-five billion, seven hundred thirty-one million, four hundred sixty thousand, one hundred forty-three".