300045420 has 36 divisors (see below), whose sum is σ = 910138320. Its totient is φ = 80012064.

The previous prime is 300045407. The next prime is 300045439. The reversal of 300045420 is 24540003.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 300045393 and 300045402.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 833280 + ... + 833639.

It is an arithmetic number, because the mean of its divisors is an integer number (25281620).

Almost surely, 2^300045420 is an apocalyptic number.

300045420 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

300045420 is an abundant number, since it is smaller than the sum of its proper divisors (610092900).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

300045420 is a wasteful number, since it uses less digits than its factorization.

300045420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1666934 (or 1666929 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 18.

The square root of 300045420 is about 17321.8191885264. The cubic root of 300045420 is about 669.4667324269.

Adding to 300045420 its reverse (24540003), we get a palindrome (324585423).

The spelling of 300045420 in words is "three hundred million, forty-five thousand, four hundred twenty".