302140152 has 128 divisors (see below), whose sum is σ = 870408000. Its totient is φ = 97044480.

The previous prime is 302140151. The next prime is 302140171. The reversal of 302140152 is 251041203.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (302140151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 965148 + ... + 965460.

Almost surely, 2^302140152 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 302140152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (435204000).

302140152 is an abundant number, since it is smaller than the sum of its proper divisors (568267848).

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

302140152 is a wasteful number, since it uses less digits than its factorization.

302140152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 478 (or 468 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 302140152 is about 17382.1791499225. The cubic root of 302140152 is about 671.0210554700.

Adding to 302140152 its reverse (251041203), we get a palindrome (553181355).

The spelling of 302140152 in words is "three hundred two million, one hundred forty thousand, one hundred fifty-two".