145502222302203 has 32 divisors (see below), whose sum is σ = 213262668440640. Its totient is φ = 87693971466240.

The previous prime is 145502222302201. The next prime is 145502222302231. The reversal of 145502222302203 is 302203222205541.

It is a happy number.

It is not a de Polignac number, because 145502222302203 - 2¹ = 145502222302201 is a prime.

It is not an unprimeable number, because it can be changed into a prime (145502222302201) 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, 130692658 + ... + 131801271.

It is an arithmetic number, because the mean of its divisors is an integer number (6664458388770).

Almost surely, 2^{145502222302203} is an apocalyptic number.

145502222302203 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

145502222302203 is a deficient number, since it is larger than the sum of its proper divisors (67760446138437).

145502222302203 is a wasteful number, since it uses less digits than its factorization.

145502222302203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 262494239.

The product of its (nonzero) digits is 57600, while the sum is 33.

Adding to 145502222302203 its reverse (302203222205541), we get a palindrome (447705444507744).

The spelling of 145502222302203 in words is "one hundred forty-five trillion, five hundred two billion, two hundred twenty-two million, three hundred two thousand, two hundred three".