320112454445 has 32 divisors (see below), whose sum is σ = 441040785408. Its totient is φ = 218492670528.

The previous prime is 320112454433. The next prime is 320112454447. The reversal of 320112454445 is 544454211023.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 320112454445 - 2⁶ = 320112454381 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320112454447) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9362972 + ... + 9397098.

It is an arithmetic number, because the mean of its divisors is an integer number (13782524544).

Almost surely, 2^320112454445 is an apocalyptic number.

320112454445 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

320112454445 is a deficient number, since it is larger than the sum of its proper divisors (120928330963).

320112454445 is a wasteful number, since it uses less digits than its factorization.

320112454445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35369.

The product of its (nonzero) digits is 76800, while the sum is 35.

Adding to 320112454445 its reverse (544454211023), we get a palindrome (864566665468).

The spelling of 320112454445 in words is "three hundred twenty billion, one hundred twelve million, four hundred fifty-four thousand, four hundred forty-five".