630154141 has 4 divisors (see below), whose sum is σ = 647185372. Its totient is φ = 613122912.

The previous prime is 630154123. The next prime is 630154157. The reversal of 630154141 is 141451036.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 344882041 + 285272100 = 18571^2 + 16890^2 .

It is a cyclic number.

It is not a de Polignac number, because 630154141 - 2¹¹ = 630152093 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (630124141) 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 3 ways as a sum of consecutive naturals, for example, 8515560 + ... + 8515633.

It is an arithmetic number, because the mean of its divisors is an integer number (161796343).

Almost surely, 2^630154141 is an apocalyptic number.

It is an amenable number.

630154141 is a deficient number, since it is larger than the sum of its proper divisors (17031231).

630154141 is a wasteful number, since it uses less digits than its factorization.

630154141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17031230.

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 630154141 is about 25102.8711704458. The cubic root of 630154141 is about 857.3317974533.

The spelling of 630154141 in words is "six hundred thirty million, one hundred fifty-four thousand, one hundred forty-one".