102289655 has 16 divisors (see below), whose sum is σ = 132575520. Its totient is φ = 75316608.

The previous prime is 102289651. The next prime is 102289679. The reversal of 102289655 is 556982201.

It is a cyclic number.

It is not a de Polignac number, because 102289655 - 2² = 102289651 is a prime.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102289651) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22136 + ... + 26354.

It is an arithmetic number, because the mean of its divisors is an integer number (8285970).

Almost surely, 2^102289655 is an apocalyptic number.

102289655 is a deficient number, since it is larger than the sum of its proper divisors (30285865).

102289655 is a wasteful number, since it uses less digits than its factorization.

102289655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4610.

The product of its (nonzero) digits is 43200, while the sum is 38.

The square root of 102289655 is about 10113.8348315562. The cubic root of 102289655 is about 467.6747304570.

The spelling of 102289655 in words is "one hundred two million, two hundred eighty-nine thousand, six hundred fifty-five".