1445213899290 has 48 divisors (see below), whose sum is σ = 4034801257632. Its totient is φ = 330334605216.

The previous prime is 1445213899279. The next prime is 1445213899309. The reversal of 1445213899290 is 929983125441.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 1445213899290.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 491567884 + ... + 491570823.

It is an arithmetic number, because the mean of its divisors is an integer number (84058359534).

Almost surely, 2^{1445213899290} is an apocalyptic number.

1445213899290 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1445213899290 is an abundant number, since it is smaller than the sum of its proper divisors (2589587358342).

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

1445213899290 is a wasteful number, since it uses less digits than its factorization.

1445213899290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 983138731 (or 983138724 counting only the distinct ones).

The product of its (nonzero) digits is 5598720, while the sum is 57.

The spelling of 1445213899290 in words is "one trillion, four hundred forty-five billion, two hundred thirteen million, eight hundred ninety-nine thousand, two hundred ninety".