202430045425 has 18 divisors (see below), whose sum is σ = 256986588822. Its totient is φ = 158177859840.

The previous prime is 202430045371. The next prime is 202430045437. The reversal of 202430045425 is 524540034202.

It can be written as a sum of positive squares in 3 ways, for example, as 12916095201 + 189513950224 = 113649^2 + 435332^2 .

It is not a de Polignac number, because 202430045425 - 2³¹ = 200282561777 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 2143392 + ... + 2235841.

Almost surely, 2^202430045425 is an apocalyptic number.

202430045425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

202430045425 is a deficient number, since it is larger than the sum of its proper divisors (54556543397).

202430045425 is an equidigital number, since it uses as much as digits as its factorization.

202430045425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4379329 (or 4379281 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 31.

Adding to 202430045425 its reverse (524540034202), we get a palindrome (726970079627).

The spelling of 202430045425 in words is "two hundred two billion, four hundred thirty million, forty-five thousand, four hundred twenty-five".