445235543215251 has 32 divisors (see below), whose sum is σ = 604697783155968. Its totient is φ = 291330756984960.

The previous prime is 445235543215249. The next prime is 445235543215261. The reversal of 445235543215251 is 152512345532544.

It is not a de Polignac number, because 445235543215251 - 2¹ = 445235543215249 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 445235543215194 and 445235543215203.

It is not an unprimeable number, because it can be changed into a prime (445235543215261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3200968216 + ... + 3201107306.

It is an arithmetic number, because the mean of its divisors is an integer number (18896805723624).

Almost surely, 2^{445235543215251} is an apocalyptic number.

445235543215251 is a deficient number, since it is larger than the sum of its proper divisors (159462239940717).

445235543215251 is a wasteful number, since it uses less digits than its factorization.

445235543215251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196931.

The product of its digits is 14400000, while the sum is 51.

Adding to 445235543215251 its reverse (152512345532544), we get a palindrome (597747888747795).

The spelling of 445235543215251 in words is "four hundred forty-five trillion, two hundred thirty-five billion, five hundred forty-three million, two hundred fifteen thousand, two hundred fifty-one".