303146420 has 12 divisors (see below), whose sum is σ = 636607524. Its totient is φ = 121258560.

The previous prime is 303146419. The next prime is 303146449. The reversal of 303146420 is 24641303.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 208629136 + 94517284 = 14444^2 + 9722^2 .

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, 7578641 + ... + 7578680.

It is an arithmetic number, because the mean of its divisors is an integer number (53050627).

Almost surely, 2^303146420 is an apocalyptic number.

It is an amenable number.

303146420 is an abundant number, since it is smaller than the sum of its proper divisors (333461104).

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

303146420 is a wasteful number, since it uses less digits than its factorization.

303146420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15157330 (or 15157328 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 303146420 is about 17411.1004821637. The cubic root of 303146420 is about 671.7651679706.

Adding to 303146420 its reverse (24641303), we get a palindrome (327787723).

The spelling of 303146420 in words is "three hundred three million, one hundred forty-six thousand, four hundred twenty".