1445407763744 has 48 divisors (see below), whose sum is σ = 3252249157248. Its totient is φ = 619444910592.

The previous prime is 1445407763741. The next prime is 1445407763797. The reversal of 1445407763744 is 4473677045441.

It is a Harshad number since it is a multiple of its sum of digits (56).

It is a self number, because there is not a number n which added to its sum of digits gives 1445407763744.

It is not an unprimeable number, because it can be changed into a prime (1445407763741) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15707372 + ... + 15799124.

It is an arithmetic number, because the mean of its divisors is an integer number (67755190776).

Almost surely, 2^{1445407763744} is an apocalyptic number.

1445407763744 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1445407763744 is an abundant number, since it is smaller than the sum of its proper divisors (1806841393504).

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

1445407763744 is an equidigital number, since it uses as much as digits as its factorization.

1445407763744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162097 (or 162089 counting only the distinct ones).

The product of its (nonzero) digits is 31610880, while the sum is 56.

The spelling of 1445407763744 in words is "one trillion, four hundred forty-five billion, four hundred seven million, seven hundred sixty-three thousand, seven hundred forty-four".