630711145 has 8 divisors (see below), whose sum is σ = 761866560. Its totient is φ = 501226800.

The previous prime is 630711131. The next prime is 630711149. The reversal of 630711145 is 541117036.

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

It is not a de Polignac number, because 630711145 - 2¹⁷ = 630580073 is a prime.

It is a super-2 number, since 2×630711145² = 795593096854422050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (630711149) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 416935 + ... + 418444.

It is an arithmetic number, because the mean of its divisors is an integer number (95233320).

Almost surely, 2^630711145 is an apocalyptic number.

It is an amenable number.

630711145 is a deficient number, since it is larger than the sum of its proper divisors (131155415).

630711145 is a wasteful number, since it uses less digits than its factorization.

630711145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 835535.

The product of its (nonzero) digits is 2520, while the sum is 28.

The square root of 630711145 is about 25113.9631480179. The cubic root of 630711145 is about 857.5843264655.

The spelling of 630711145 in words is "six hundred thirty million, seven hundred eleven thousand, one hundred forty-five".