102817144 has 8 divisors (see below), whose sum is σ = 192782160. Its totient is φ = 51408568.

The previous prime is 102817133. The next prime is 102817201. The reversal of 102817144 is 441718201.

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

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

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, 6426064 + ... + 6426079.

It is an arithmetic number, because the mean of its divisors is an integer number (24097770).

Almost surely, 2^102817144 is an apocalyptic number.

It is an amenable number.

102817144 is a deficient number, since it is larger than the sum of its proper divisors (89965016).

102817144 is a wasteful number, since it uses less digits than its factorization.

102817144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12852149 (or 12852145 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 28.

The square root of 102817144 is about 10139.8788947403. The cubic root of 102817144 is about 468.4772568250.

The spelling of 102817144 in words is "one hundred two million, eight hundred seventeen thousand, one hundred forty-four".