630654145 has 16 divisors (see below), whose sum is σ = 826676928. Its totient is φ = 458050240.

The previous prime is 630654121. The next prime is 630654149. The reversal of 630654145 is 541456036.

630654145 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 630654145 - 2¹¹ = 630652097 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 630654145.

It is not an unprimeable number, because it can be changed into a prime (630654149) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36642 + ... + 51028.

It is an arithmetic number, because the mean of its divisors is an integer number (51667308).

Almost surely, 2^630654145 is an apocalyptic number.

It is an amenable number.

630654145 is a deficient number, since it is larger than the sum of its proper divisors (196022783).

630654145 is a wasteful number, since it uses less digits than its factorization.

630654145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15200.

The product of its (nonzero) digits is 43200, while the sum is 34.

The square root of 630654145 is about 25112.8282955146. The cubic root of 630654145 is about 857.5584911950.

The spelling of 630654145 in words is "six hundred thirty million, six hundred fifty-four thousand, one hundred forty-five".