1445553086738 has 32 divisors (see below), whose sum is σ = 2446671619584. Its totient is φ = 636839391232.

The previous prime is 1445553086729. The next prime is 1445553086741. The reversal of 1445553086738 is 8376803555441.

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, 19628495 + ... + 19702002.

It is an arithmetic number, because the mean of its divisors is an integer number (76458488112).

Almost surely, 2^{1445553086738} is an apocalyptic number.

1445553086738 is a deficient number, since it is larger than the sum of its proper divisors (1001118532846).

1445553086738 is a wasteful number, since it uses less digits than its factorization.

1445553086738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39330586.

The product of its (nonzero) digits is 48384000, while the sum is 59.

The spelling of 1445553086738 in words is "one trillion, four hundred forty-five billion, five hundred fifty-three million, eighty-six thousand, seven hundred thirty-eight".