306503146149 has 8 divisors (see below), whose sum is σ = 418174835232. Its totient is φ = 199583443920.

The previous prime is 306503146133. The next prime is 306503146207. The reversal of 306503146149 is 941641305603.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 306503146149 - 2⁴ = 306503146133 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 306503146149.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (306503146109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1187996562 + ... + 1187996819.

It is an arithmetic number, because the mean of its divisors is an integer number (52271854404).

Almost surely, 2^306503146149 is an apocalyptic number.

It is an amenable number.

306503146149 is a deficient number, since it is larger than the sum of its proper divisors (111671689083).

306503146149 is a wasteful number, since it uses less digits than its factorization.

306503146149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2375993427.

The product of its (nonzero) digits is 233280, while the sum is 42.

The spelling of 306503146149 in words is "three hundred six billion, five hundred three million, one hundred forty-six thousand, one hundred forty-nine".