102645112 has 8 divisors (see below), whose sum is σ = 192459600. Its totient is φ = 51322552.

The previous prime is 102645091. The next prime is 102645131. The reversal of 102645112 is 211546201.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6415312 + ... + 6415327.

It is an arithmetic number, because the mean of its divisors is an integer number (24057450).

Almost surely, 2^102645112 is an apocalyptic number.

It is an amenable number.

102645112 is a deficient number, since it is larger than the sum of its proper divisors (89814488).

102645112 is a wasteful number, since it uses less digits than its factorization.

102645112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12830645 (or 12830641 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 22.

The square root of 102645112 is about 10131.3924018370. The cubic root of 102645112 is about 468.2158280815.

It can be divided in two parts, 10264 and 5112, that added together give a square (15376 = 124²).

The spelling of 102645112 in words is "one hundred two million, six hundred forty-five thousand, one hundred twelve".