202423442145 has 16 divisors (see below), whose sum is σ = 328314187392. Its totient is φ = 106480275840.

The previous prime is 202423442077. The next prime is 202423442149. The reversal of 202423442145 is 541244324202.

It is not a de Polignac number, because 202423442145 - 2⁸ = 202423441889 is a prime.

It is not an unprimeable number, because it can be changed into a prime (202423442149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 92429701 + ... + 92431890.

It is an arithmetic number, because the mean of its divisors is an integer number (20519636712).

Almost surely, 2^202423442145 is an apocalyptic number.

It is an amenable number.

202423442145 is a deficient number, since it is larger than the sum of its proper divisors (125890745247).

202423442145 is a wasteful number, since it uses less digits than its factorization.

202423442145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 184861672.

The product of its (nonzero) digits is 61440, while the sum is 33.

Adding to 202423442145 its reverse (541244324202), we get a palindrome (743667766347).

The spelling of 202423442145 in words is "two hundred two billion, four hundred twenty-three million, four hundred forty-two thousand, one hundred forty-five".