302142100 has 36 divisors (see below), whose sum is σ = 706085884. Its totient is φ = 111559680.

The previous prime is 302142073. The next prime is 302142107. The reversal of 302142100 is 1241203.

It can be written as a sum of positive squares in 6 ways, for example, as 47803396 + 254338704 = 6914^2 + 15948^2 .

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (302142107) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 114909 + ... + 117508.

Almost surely, 2^302142100 is an apocalyptic number.

It is an amenable number.

302142100 is an abundant number, since it is smaller than the sum of its proper divisors (403943784).

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

302142100 is a wasteful number, since it uses less digits than its factorization.

302142100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 232444 (or 232437 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 302142100 is about 17382.2351842334. The cubic root of 302142100 is about 671.0224975670.

Adding to 302142100 its reverse (1241203), we get a palindrome (303383303).

The spelling of 302142100 in words is "three hundred two million, one hundred forty-two thousand, one hundred".