202534340045 has 4 divisors (see below), whose sum is σ = 243041208060. Its totient is φ = 162027472032.

The previous prime is 202534340003. The next prime is 202534340051. The reversal of 202534340045 is 540043435202.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 99399586729 + 103134753316 = 315277^2 + 321146^2 .

It is a cyclic number.

It is not a de Polignac number, because 202534340045 - 2⁶ = 202534339981 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 202534339993 and 202534340020.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20253434000 + ... + 20253434009.

It is an arithmetic number, because the mean of its divisors is an integer number (60760302015).

Almost surely, 2^202534340045 is an apocalyptic number.

It is an amenable number.

202534340045 is a deficient number, since it is larger than the sum of its proper divisors (40506868015).

202534340045 is an equidigital number, since it uses as much as digits as its factorization.

202534340045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40506868014.

The product of its (nonzero) digits is 57600, while the sum is 32.

Adding to 202534340045 its reverse (540043435202), we get a palindrome (742577775247).

The spelling of 202534340045 in words is "two hundred two billion, five hundred thirty-four million, three hundred forty thousand, forty-five".