630334145 has 8 divisors (see below), whose sum is σ = 864458304. Its totient is φ = 432229104.

The previous prime is 630334093. The next prime is 630334153. The reversal of 630334145 is 541433036.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 630334145 - 2⁸ = 630333889 is a prime.

It is a super-2 number, since 2×630334145² = 794642268705762050, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9004739 + ... + 9004808.

It is an arithmetic number, because the mean of its divisors is an integer number (108057288).

Almost surely, 2^630334145 is an apocalyptic number.

It is an amenable number.

630334145 is a deficient number, since it is larger than the sum of its proper divisors (234124159).

630334145 is a wasteful number, since it uses less digits than its factorization.

630334145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18009559.

The product of its (nonzero) digits is 12960, while the sum is 29.

The square root of 630334145 is about 25106.4562413735. The cubic root of 630334145 is about 857.4134221707.

The spelling of 630334145 in words is "six hundred thirty million, three hundred thirty-four thousand, one hundred forty-five".