445312213507 has 8 divisors (see below), whose sum is σ = 509115992832. Its totient is φ = 381555371400.

The previous prime is 445312213447. The next prime is 445312213523. The reversal of 445312213507 is 705312213544.

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

It is not a de Polignac number, because 445312213507 - 2¹⁵ = 445312180739 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (445312213607) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 11713969 + ... + 11751922.

It is an arithmetic number, because the mean of its divisors is an integer number (63639499104).

Almost surely, 2^445312213507 is an apocalyptic number.

445312213507 is a deficient number, since it is larger than the sum of its proper divisors (63803779325).

445312213507 is a wasteful number, since it uses less digits than its factorization.

445312213507 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23468609.

The product of its (nonzero) digits is 100800, while the sum is 37.

Adding to 445312213507 its sum of digits (37), we get a palindrome (445312213544).

The spelling of 445312213507 in words is "four hundred forty-five billion, three hundred twelve million, two hundred thirteen thousand, five hundred seven".