202352120545 has 8 divisors (see below), whose sum is σ = 242831330280. Its totient is φ = 161875839360.

The previous prime is 202352120471. The next prime is 202352120617. The reversal of 202352120545 is 545021253202.

It can be written as a sum of positive squares in 4 ways, for example, as 9441425889 + 192910694656 = 97167^2 + 439216^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 202352120545 - 2¹³ = 202352112353 is a prime.

It is a super-2 number, since 2×202352120545² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 577140 + ... + 858949.

It is an arithmetic number, because the mean of its divisors is an integer number (30353916285).

Almost surely, 2^202352120545 is an apocalyptic number.

It is an amenable number.

202352120545 is a deficient number, since it is larger than the sum of its proper divisors (40479209735).

202352120545 is a wasteful number, since it uses less digits than its factorization.

202352120545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1464275.

The product of its (nonzero) digits is 24000, while the sum is 31.

Adding to 202352120545 its reverse (545021253202), we get a palindrome (747373373747).

The spelling of 202352120545 in words is "two hundred two billion, three hundred fifty-two million, one hundred twenty thousand, five hundred forty-five".