630143356 has 6 divisors (see below), whose sum is σ = 1102750880. Its totient is φ = 315071676.

The previous prime is 630143347. The next prime is 630143377. The reversal of 630143356 is 653341036.

It is a super-2 number, since 2×630143356² = 794161298221885472, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78767916 + ... + 78767923.

Almost surely, 2^630143356 is an apocalyptic number.

It is an amenable number.

630143356 is a deficient number, since it is larger than the sum of its proper divisors (472607524).

630143356 is a wasteful number, since it uses less digits than its factorization.

630143356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157535843 (or 157535841 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 31.

The square root of 630143356 is about 25102.6563534619. The cubic root of 630143356 is about 857.3269063874.

The spelling of 630143356 in words is "six hundred thirty million, one hundred forty-three thousand, three hundred fifty-six".