445312213545 has 8 divisors (see below), whose sum is σ = 712499541696. Its totient is φ = 237499847216.

The previous prime is 445312213531. The next prime is 445312213601. The reversal of 445312213545 is 545312213544.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 445312213545 - 2⁹ = 445312213033 is a prime.

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, 14843740437 + ... + 14843740466.

It is an arithmetic number, because the mean of its divisors is an integer number (89062442712).

Almost surely, 2^445312213545 is an apocalyptic number.

It is an amenable number.

445312213545 is a deficient number, since it is larger than the sum of its proper divisors (267187328151).

445312213545 is a wasteful number, since it uses less digits than its factorization.

445312213545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29687480911.

The product of its digits is 288000, while the sum is 39.

Subtracting 445312213545 from its reverse (545312213544), we obtain a palindrome (99999999999).

The spelling of 445312213545 in words is "four hundred forty-five billion, three hundred twelve million, two hundred thirteen thousand, five hundred forty-five".