302153420 has 24 divisors (see below), whose sum is σ = 634863264. Its totient is φ = 120796416.

The previous prime is 302153419. The next prime is 302153437. The reversal of 302153420 is 24351203.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 302153392 and 302153401.

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 7 ways as a sum of consecutive naturals, for example, 55124 + ... + 60356.

It is an arithmetic number, because the mean of its divisors is an integer number (26452636).

Almost surely, 2^302153420 is an apocalyptic number.

It is an amenable number.

302153420 is an abundant number, since it is smaller than the sum of its proper divisors (332709844).

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

302153420 is a wasteful number, since it uses less digits than its factorization.

302153420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8129 (or 8127 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 302153420 is about 17382.5608009867. The cubic root of 302153420 is about 671.0308775972.

The spelling of 302153420 in words is "three hundred two million, one hundred fifty-three thousand, four hundred twenty".