303242136 has 64 divisors (see below), whose sum is σ = 772934400. Its totient is φ = 99120000.

The previous prime is 303242131. The next prime is 303242171. The reversal of 303242136 is 631242303.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (303242131) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 427350 + ... + 428058.

It is an arithmetic number, because the mean of its divisors is an integer number (12077100).

Almost surely, 2^303242136 is an apocalyptic number.

It is an amenable number.

303242136 is an abundant number, since it is smaller than the sum of its proper divisors (469692264).

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

303242136 is a wasteful number, since it uses less digits than its factorization.

303242136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1040 (or 1036 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 24.

The square root of 303242136 is about 17413.8489714365. The cubic root of 303242136 is about 671.8358619812.

Adding to 303242136 its reverse (631242303), we get a palindrome (934484439).

The spelling of 303242136 in words is "three hundred three million, two hundred forty-two thousand, one hundred thirty-six".