630304142 has 16 divisors (see below), whose sum is σ = 1025961552. Its totient is φ = 288687360.

The previous prime is 630304117. The next prime is 630304153. The reversal of 630304142 is 241403036.

It is a happy number.

630304142 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×630304142² = 794566622844712328, which contains 22 as substring.

It is a congruent 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, 89123 + ... + 95934.

It is an arithmetic number, because the mean of its divisors is an integer number (64122597).

Almost surely, 2^630304142 is an apocalyptic number.

630304142 is a deficient number, since it is larger than the sum of its proper divisors (395657410).

630304142 is a wasteful number, since it uses less digits than its factorization.

630304142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185203.

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 630304142 is about 25105.8587186338. The cubic root of 630304142 is about 857.3998180723.

Adding to 630304142 its reverse (241403036), we get a palindrome (871707178).

The spelling of 630304142 in words is "six hundred thirty million, three hundred four thousand, one hundred forty-two".