303443242 has 16 divisors (see below), whose sum is σ = 458685864. Its totient is φ = 150552000.

The previous prime is 303443213. The next prime is 303443249. The reversal of 303443242 is 242344303.

It can be written as a sum of positive squares in 4 ways, for example, as 144456361 + 158986881 = 12019^2 + 12609^2 .

It is a super-2 number, since 2×303443242² = 184155602230941128, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (303443249) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 296692 + ... + 297712.

Almost surely, 2^303443242 is an apocalyptic number.

303443242 is a deficient number, since it is larger than the sum of its proper divisors (155242622).

303443242 is a wasteful number, since it uses less digits than its factorization.

303443242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2025.

The product of its (nonzero) digits is 6912, while the sum is 25.

The square root of 303443242 is about 17419.6223265604. The cubic root of 303443242 is about 671.9843465860.

Adding to 303443242 its reverse (242344303), we get a palindrome (545787545).

The spelling of 303443242 in words is "three hundred three million, four hundred forty-three thousand, two hundred forty-two".