445140236621343 has 16 divisors (see below), whose sum is σ = 594973953282560. Its totient is φ = 296033344923456.

The previous prime is 445140236621321. The next prime is 445140236621383. The reversal of 445140236621343 is 343126632041544.

It is not a de Polignac number, because 445140236621343 - 2²⁴ = 445140219844127 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 445140236621292 and 445140236621301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (445140236621383) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 364406796 + ... + 365626302.

It is an arithmetic number, because the mean of its divisors is an integer number (37185872080160).

Almost surely, 2^{445140236621343} is an apocalyptic number.

445140236621343 is a deficient number, since it is larger than the sum of its proper divisors (149833716661217).

445140236621343 is a wasteful number, since it uses less digits than its factorization.

445140236621343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1517406.

The product of its (nonzero) digits is 4976640, while the sum is 48.

Adding to 445140236621343 its reverse (343126632041544), we get a palindrome (788266868662887).

The spelling of 445140236621343 in words is "four hundred forty-five trillion, one hundred forty billion, two hundred thirty-six million, six hundred twenty-one thousand, three hundred forty-three".