145205522306 has 48 divisors (see below), whose sum is σ = 241344054144. Its totient is φ = 65462859072.

The previous prime is 145205522303. The next prime is 145205522323. The reversal of 145205522306 is 603225502541.

It is not an unprimeable number, because it can be changed into a prime (145205522303) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8299640 + ... + 8317116.

It is an arithmetic number, because the mean of its divisors is an integer number (5028001128).

Almost surely, 2^145205522306 is an apocalyptic number.

145205522306 is a deficient number, since it is larger than the sum of its proper divisors (96138531838).

145205522306 is a wasteful number, since it uses less digits than its factorization.

145205522306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18075 (or 18062 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 35.

The spelling of 145205522306 in words is "one hundred forty-five billion, two hundred five million, five hundred twenty-two thousand, three hundred six".