445890054144 has 48 divisors (see below), whose sum is σ = 1188749867760. Its totient is φ = 148630016000.

The previous prime is 445890054089. The next prime is 445890054187. The reversal of 445890054144 is 441450098544.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a junction number, because it is equal to n+sod(n) for n = 445890054093 and 445890054102.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36280482 + ... + 36292769.

It is an arithmetic number, because the mean of its divisors is an integer number (24765622245).

Almost surely, 2^445890054144 is an apocalyptic number.

It is an amenable number.

445890054144 is an abundant number, since it is smaller than the sum of its proper divisors (742859813616).

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

445890054144 is an equidigital number, since it uses as much as digits as its factorization.

445890054144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72573276 (or 72573256 counting only the distinct ones).

The product of its (nonzero) digits is 1843200, while the sum is 48.

The spelling of 445890054144 in words is "four hundred forty-five billion, eight hundred ninety million, fifty-four thousand, one hundred forty-four".