445312505213544 has 32 divisors (see below), whose sum is σ = 1139171524967520. Its totient is φ = 144985466813376.

The previous prime is 445312505213533. The next prime is 445312505213567.

It is a happy number.

445312505213544 is nontrivially palindromic in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 445312505213493 and 445312505213502.

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, 215752181727 + ... + 215752183790.

It is an arithmetic number, because the mean of its divisors is an integer number (35599110155235).

Almost surely, 2^{445312505213544} is an apocalyptic number.

It is an amenable number.

445312505213544 is an abundant number, since it is smaller than the sum of its proper divisors (693859019753976).

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

445312505213544 is a wasteful number, since it uses less digits than its factorization.

445312505213544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 431504365569 (or 431504365565 counting only the distinct ones).

The product of its (nonzero) digits is 5760000, while the sum is 48.

It can be divided in two parts, 44531250 and 5213544, that added together give a palindrome (49744794).

The spelling of 445312505213544 in words is "four hundred forty-five trillion, three hundred twelve billion, five hundred five million, two hundred thirteen thousand, five hundred forty-four".