1445881045478 has 16 divisors (see below), whose sum is σ = 2228138962224. Its totient is φ = 703180349280.

The previous prime is 1445881045439. The next prime is 1445881045487. The reversal of 1445881045478 is 8745401885441.

It is a congruent number.

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, 2835800 + ... + 3306587.

It is an arithmetic number, because the mean of its divisors is an integer number (139258685139).

Almost surely, 2^{1445881045478} is an apocalyptic number.

1445881045478 is a deficient number, since it is larger than the sum of its proper divisors (782257916746).

1445881045478 is a wasteful number, since it uses less digits than its factorization.

1445881045478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6145607.

The product of its (nonzero) digits is 22937600, while the sum is 59.

The spelling of 1445881045478 in words is "one trillion, four hundred forty-five billion, eight hundred eighty-one million, forty-five thousand, four hundred seventy-eight".