145564522326 has 12 divisors (see below), whose sum is σ = 315389798412. Its totient is φ = 48521507436.

The previous prime is 145564522321. The next prime is 145564522333. The reversal of 145564522326 is 623225465541.

145564522326 is a `hidden beast` number, since 1 + 4 + 5 + 564 + 52 + 2 + 32 + 6 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145564522321) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4043458936 + ... + 4043458971.

It is an arithmetic number, because the mean of its divisors is an integer number (26282483201).

Almost surely, 2^145564522326 is an apocalyptic number.

145564522326 is an abundant number, since it is smaller than the sum of its proper divisors (169825276086).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

145564522326 is a wasteful number, since it uses less digits than its factorization.

145564522326 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8086917915 (or 8086917912 counting only the distinct ones).

The product of its digits is 1728000, while the sum is 45.

Adding to 145564522326 its reverse (623225465541), we get a palindrome (768789987867).

The spelling of 145564522326 in words is "one hundred forty-five billion, five hundred sixty-four million, five hundred twenty-two thousand, three hundred twenty-six".