210648148 has 6 divisors (see below), whose sum is σ = 368634266. Its totient is φ = 105324072.

The previous prime is 210648133. The next prime is 210648149. The reversal of 210648148 is 841846012.

It can be written as a sum of positive squares in only one way, i.e., 186814224 + 23833924 = 13668^2 + 4882^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210648149) 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 as a sum of consecutive naturals, namely, 26331015 + ... + 26331022.

Almost surely, 2^210648148 is an apocalyptic number.

It is an amenable number.

210648148 is a deficient number, since it is larger than the sum of its proper divisors (157986118).

210648148 is a wasteful number, since it uses less digits than its factorization.

210648148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52662041 (or 52662039 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 34.

The square root of 210648148 is about 14513.7227477998. The cubic root of 210648148 is about 595.0030816873.

The spelling of 210648148 in words is "two hundred ten million, six hundred forty-eight thousand, one hundred forty-eight".