1445887144460 has 48 divisors (see below), whose sum is σ = 3312572336640. Its totient is φ = 525749154240.

The previous prime is 1445887144441. The next prime is 1445887144487. The reversal of 1445887144460 is 644417885441.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1445887144396 and 1445887144405.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4217207 + ... + 4547153.

It is an arithmetic number, because the mean of its divisors is an integer number (69011923680).

Almost surely, 2^{1445887144460} is an apocalyptic number.

1445887144460 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1445887144460 is an abundant number, since it is smaller than the sum of its proper divisors (1866685192180).

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

1445887144460 is a wasteful number, since it uses less digits than its factorization.

1445887144460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 349886 (or 349884 counting only the distinct ones).

The product of its (nonzero) digits is 13762560, while the sum is 56.

The spelling of 1445887144460 in words is "one trillion, four hundred forty-five billion, eight hundred eighty-seven million, one hundred forty-four thousand, four hundred sixty".