1444545515214 has 24 divisors (see below), whose sum is σ = 3196441141920. Its totient is φ = 471270167808.

The previous prime is 1444545515201. The next prime is 1444545515221. The reversal of 1444545515214 is 4125155454441.

1444545515214 is a `hidden beast` number, since 1 + 4 + 4 + 4 + 545 + 51 + 52 + 1 + 4 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 1444545515214.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 853749459 + ... + 853751150.

It is an arithmetic number, because the mean of its divisors is an integer number (133185047580).

Almost surely, 2^{1444545515214} is an apocalyptic number.

1444545515214 is an abundant number, since it is smaller than the sum of its proper divisors (1751895626706).

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

1444545515214 is a wasteful number, since it uses less digits than its factorization.

1444545515214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1707500664 (or 1707500661 counting only the distinct ones).

The product of its digits is 1280000, while the sum is 45.

The spelling of 1444545515214 in words is "one trillion, four hundred forty-four billion, five hundred forty-five million, five hundred fifteen thousand, two hundred fourteen".