1630154146 has 8 divisors (see below), whose sum is σ = 2453872464. Its totient is φ = 812196660.

The previous prime is 1630154143. The next prime is 1630154213. The reversal of 1630154146 is 6414510361.

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

It is not an unprimeable number, because it can be changed into a prime (1630154143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1439500 + ... + 1440631.

It is an arithmetic number, because the mean of its divisors is an integer number (306734058).

Almost surely, 2^1630154146 is an apocalyptic number.

1630154146 is a deficient number, since it is larger than the sum of its proper divisors (823718318).

1630154146 is a wasteful number, since it uses less digits than its factorization.

1630154146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2880416.

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 1630154146 is about 40375.1674423773. The cubic root of 1630154146 is about 1176.9090189100.

The spelling of 1630154146 in words is "one billion, six hundred thirty million, one hundred fifty-four thousand, one hundred forty-six".