305305055045 has 64 divisors (see below), whose sum is σ = 399838187520. Its totient is φ = 222912049152.

The previous prime is 305305055039. The next prime is 305305055057. The reversal of 305305055045 is 540550503503.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-305305055045 is a prime.

It is a super-2 number, since 2×305305055045² (a number of 24 digits) contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 305305054996 and 305305055014.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 424624196 + ... + 424624914.

It is an arithmetic number, because the mean of its divisors is an integer number (6247471680).

Almost surely, 2^305305055045 is an apocalyptic number.

It is an amenable number.

305305055045 is a deficient number, since it is larger than the sum of its proper divisors (94533132475).

305305055045 is a wasteful number, since it uses less digits than its factorization.

305305055045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1622.

The product of its (nonzero) digits is 112500, while the sum is 35.

Adding to 305305055045 its reverse (540550503503), we get a palindrome (845855558548).

The spelling of 305305055045 in words is "three hundred five billion, three hundred five million, fifty-five thousand, forty-five".