300145939 has 2 divisors, whose sum is σ = 300145940. Its totient is φ = 300145938.

The previous prime is 300145913. The next prime is 300145957. The reversal of 300145939 is 939541003.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-300145939 is a prime.

It is not a weakly prime, because it can be changed into another prime (300148939) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 150072969 + 150072970.

It is an arithmetic number, because the mean of its divisors is an integer number (150072970).

Almost surely, 2^300145939 is an apocalyptic number.

300145939 is a deficient number, since it is larger than the sum of its proper divisors (1).

300145939 is an equidigital number, since it uses as much as digits as its factorization.

300145939 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14580, while the sum is 34.

The square root of 300145939 is about 17324.7204595053. The cubic root of 300145939 is about 669.5414840129.

It can be divided in two parts, 30014 and 5939, that added together give a palindrome (35953).

The spelling of 300145939 in words is "three hundred million, one hundred forty-five thousand, nine hundred thirty-nine".