304144442 has 16 divisors (see below), whose sum is σ = 521640000. Its totient is φ = 130285248.

The previous prime is 304144439. The next prime is 304144487. The reversal of 304144442 is 244441403.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36809 + ... + 44307.

It is an arithmetic number, because the mean of its divisors is an integer number (32602500).

Almost surely, 2^304144442 is an apocalyptic number.

304144442 is a deficient number, since it is larger than the sum of its proper divisors (217495558).

304144442 is a wasteful number, since it uses less digits than its factorization.

304144442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10405.

The product of its (nonzero) digits is 6144, while the sum is 26.

The square root of 304144442 is about 17439.7374406841. The cubic root of 304144442 is about 672.5015580180.

Adding to 304144442 its reverse (244441403), we get a palindrome (548585845).

The spelling of 304144442 in words is "three hundred four million, one hundred forty-four thousand, four hundred forty-two".