30135202445 has 4 divisors (see below), whose sum is σ = 36162242940. Its totient is φ = 24108161952.

The previous prime is 30135202421. The next prime is 30135202457. The reversal of 30135202445 is 54420253103.

It is a happy number.

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 7229590729 + 22905611716 = 85027^2 + 151346^2 .

It is a cyclic number.

It is not a de Polignac number, because 30135202445 - 2¹⁸ = 30134940301 is a prime.

It is a super-2 number, since 2×30135202445² (a number of 22 digits) contains 22 as substring.

It is a Curzon number.

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, 3013520240 + ... + 3013520249.

It is an arithmetic number, because the mean of its divisors is an integer number (9040560735).

Almost surely, 2^30135202445 is an apocalyptic number.

It is an amenable number.

30135202445 is a deficient number, since it is larger than the sum of its proper divisors (6027040495).

30135202445 is an equidigital number, since it uses as much as digits as its factorization.

30135202445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6027040494.

The product of its (nonzero) digits is 14400, while the sum is 29.

Adding to 30135202445 its reverse (54420253103), we get a palindrome (84555455548).

The spelling of 30135202445 in words is "thirty billion, one hundred thirty-five million, two hundred two thousand, four hundred forty-five".