1445227887840 has 192 divisors, whose sum is σ = 5081825371392. Its totient is φ = 342210355200.

The previous prime is 1445227887833. The next prime is 1445227887841. The reversal of 1445227887840 is 487887225441.

It is a Harshad number since it is a multiple of its sum of digits (60).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1445227887841) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2955721 + ... + 3409800.

It is an arithmetic number, because the mean of its divisors is an integer number (26467840476).

Almost surely, 2^{1445227887840} is an apocalyptic number.

1445227887840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1445227887840 is an abundant number, since it is smaller than the sum of its proper divisors (3636597483552).

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

1445227887840 is a wasteful number, since it uses less digits than its factorization.

1445227887840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6365593 (or 6365585 counting only the distinct ones).

The product of its (nonzero) digits is 32112640, while the sum is 60.

The spelling of 1445227887840 in words is "one trillion, four hundred forty-five billion, two hundred twenty-seven million, eight hundred eighty-seven thousand, eight hundred forty".