146636648 has 32 divisors (see below), whose sum is σ = 278998560. Its totient is φ = 72244800.

The previous prime is 146636647. The next prime is 146636657. The reversal of 146636648 is 846636641.

It is a junction number, because it is equal to n+sod(n) for n = 146636599 and 146636608.

It is not an unprimeable number, because it can be changed into a prime (146636647) 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, 280115 + ... + 280637.

It is an arithmetic number, because the mean of its divisors is an integer number (8718705).

Almost surely, 2^146636648 is an apocalyptic number.

It is an amenable number.

146636648 is a deficient number, since it is larger than the sum of its proper divisors (132361912).

146636648 is a wasteful number, since it uses less digits than its factorization.

146636648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 977 (or 973 counting only the distinct ones).

The product of its digits is 497664, while the sum is 44.

The square root of 146636648 is about 12109.3619980575. The cubic root of 146636648 is about 527.3280114339.

The spelling of 146636648 in words is "one hundred forty-six million, six hundred thirty-six thousand, six hundred forty-eight".