445222151161751 has 4 divisors (see below), whose sum is σ = 445235902380192. Its totient is φ = 445208399943312.

The previous prime is 445222151161717. The next prime is 445222151161973. The reversal of 445222151161751 is 157161151222544.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-445222151161751 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 445222151161696 and 445222151161705.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (445222151161651) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6875560655 + ... + 6875625408.

It is an arithmetic number, because the mean of its divisors is an integer number (111308975595048).

Almost surely, 2^{445222151161751} is an apocalyptic number.

445222151161751 is a deficient number, since it is larger than the sum of its proper divisors (13751218441).

445222151161751 is a wasteful number, since it uses less digits than its factorization.

445222151161751 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13751218440.

The product of its digits is 672000, while the sum is 47.

The spelling of 445222151161751 in words is "four hundred forty-five trillion, two hundred twenty-two billion, one hundred fifty-one million, one hundred sixty-one thousand, seven hundred fifty-one".