202530302045 has 8 divisors (see below), whose sum is σ = 244379105880. Its totient is φ = 161129079360.

The previous prime is 202530302033. The next prime is 202530302063. The reversal of 202530302045 is 540203035202.

It can be written as a sum of positive squares in 4 ways, for example, as 19673148121 + 182857153924 = 140261^2 + 427618^2 .

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

It is not a de Polignac number, because 202530302045 - 2²⁸ = 202261866589 is a prime.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 111894290 + ... + 111896099.

It is an arithmetic number, because the mean of its divisors is an integer number (30547388235).

Almost surely, 2^202530302045 is an apocalyptic number.

It is an amenable number.

202530302045 is a deficient number, since it is larger than the sum of its proper divisors (41848803835).

202530302045 is a wasteful number, since it uses less digits than its factorization.

202530302045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223790575.

The product of its (nonzero) digits is 7200, while the sum is 26.

Adding to 202530302045 its reverse (540203035202), we get a palindrome (742733337247).

The spelling of 202530302045 in words is "two hundred two billion, five hundred thirty million, three hundred two thousand, forty-five".