1445320666202 has 16 divisors (see below), whose sum is σ = 2479887188160. Its totient is φ = 618874488288.

The previous prime is 1445320666187. The next prime is 1445320666217. The reversal of 1445320666202 is 2026660235441.

It is an interprime number because it is at equal distance from previous prime (1445320666187) and next prime (1445320666217).

It is a self number, because there is not a number n which added to its sum of digits gives 1445320666202.

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, 45704828 + ... + 45736439.

It is an arithmetic number, because the mean of its divisors is an integer number (154992949260).

Almost surely, 2^{1445320666202} is an apocalyptic number.

1445320666202 is a deficient number, since it is larger than the sum of its proper divisors (1034566521958).

1445320666202 is a wasteful number, since it uses less digits than its factorization.

1445320666202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91442405.

The product of its (nonzero) digits is 414720, while the sum is 41.

The spelling of 1445320666202 in words is "one trillion, four hundred forty-five billion, three hundred twenty million, six hundred sixty-six thousand, two hundred two".