102275646 has 16 divisors (see below), whose sum is σ = 223147008. Its totient is φ = 30992600.

The previous prime is 102275639. The next prime is 102275647. The reversal of 102275646 is 646572201.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102275647) 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 7 ways as a sum of consecutive naturals, for example, 774750 + ... + 774881.

It is an arithmetic number, because the mean of its divisors is an integer number (13946688).

Almost surely, 2^102275646 is an apocalyptic number.

102275646 is an abundant number, since it is smaller than the sum of its proper divisors (120871362).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

102275646 is a wasteful number, since it uses less digits than its factorization.

102275646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1549647.

The product of its (nonzero) digits is 20160, while the sum is 33.

The square root of 102275646 is about 10113.1422416576. The cubic root of 102275646 is about 467.6533794728.

The spelling of 102275646 in words is "one hundred two million, two hundred seventy-five thousand, six hundred forty-six".