306213603145045 has 16 divisors (see below), whose sum is σ = 395665832185920. Its totient is φ = 226653019911424.

The previous prime is 306213603145031. The next prime is 306213603145061. The reversal of 306213603145045 is 540541306312603.

It is a cyclic number.

It is not a de Polignac number, because 306213603145045 - 2⁵ = 306213603145013 is a prime.

It is a super-2 number, since 2×306213603145045² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 306213603144992 and 306213603145010.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30529765987 + ... + 30529776016.

It is an arithmetic number, because the mean of its divisors is an integer number (24729114511620).

Almost surely, 2^{306213603145045} is an apocalyptic number.

It is an amenable number.

306213603145045 is a deficient number, since it is larger than the sum of its proper divisors (89452229040875).

306213603145045 is a wasteful number, since it uses less digits than its factorization.

306213603145045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61059542084.

The product of its (nonzero) digits is 777600, while the sum is 43.

Adding to 306213603145045 its reverse (540541306312603), we get a palindrome (846754909457648).

The spelling of 306213603145045 in words is "three hundred six trillion, two hundred thirteen billion, six hundred three million, one hundred forty-five thousand, forty-five".