306155213642452 has 12 divisors (see below), whose sum is σ = 559066042303776. Its totient is φ = 146422058698520.

The previous prime is 306155213642417. The next prime is 306155213642477. The reversal of 306155213642452 is 254246312551603.

It is a junction number, because it is equal to n+sod(n) for n = 306155213642396 and 306155213642405.

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, 1663887030574 + ... + 1663887030757.

It is an arithmetic number, because the mean of its divisors is an integer number (46588836858648).

Almost surely, 2^{306155213642452} is an apocalyptic number.

It is an amenable number.

306155213642452 is a deficient number, since it is larger than the sum of its proper divisors (252910828661324).

306155213642452 is a wasteful number, since it uses less digits than its factorization.

306155213642452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3327774061358 (or 3327774061356 counting only the distinct ones).

The product of its (nonzero) digits is 5184000, while the sum is 49.

The spelling of 306155213642452 in words is "three hundred six trillion, one hundred fifty-five billion, two hundred thirteen million, six hundred forty-two thousand, four hundred fifty-two".