102955644 has 96 divisors (see below), whose sum is σ = 295142400. Its totient is φ = 30775680.

The previous prime is 102955579. The next prime is 102955679. The reversal of 102955644 is 446559201.

102955644 is a `hidden beast` number, since 1 + 0 + 2 + 9 + 5 + 5 + 644 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 102955599 and 102955608.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 93304 + ... + 94400.

It is an arithmetic number, because the mean of its divisors is an integer number (3074400).

Almost surely, 2^102955644 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 102955644, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (147571200).

102955644 is an abundant number, since it is smaller than the sum of its proper divisors (192186756).

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

102955644 is a wasteful number, since it uses less digits than its factorization.

102955644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1200 (or 1192 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 36.

The square root of 102955644 is about 10146.7060665026. The cubic root of 102955644 is about 468.6875167915.

The spelling of 102955644 in words is "one hundred two million, nine hundred fifty-five thousand, six hundred forty-four".