102551382 has 24 divisors (see below), whose sum is σ = 222571440. Its totient is φ = 34125840.

The previous prime is 102551369. The next prime is 102551387. The reversal of 102551382 is 283155201.

It is a happy number.

102551382 is a `hidden beast` number, since 102 + 551 + 3 + 8 + 2 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102551387) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6844 + ... + 15872.

It is an arithmetic number, because the mean of its divisors is an integer number (9273810).

Almost surely, 2^102551382 is an apocalyptic number.

102551382 is an abundant number, since it is smaller than the sum of its proper divisors (120020058).

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

102551382 is a wasteful number, since it uses less digits than its factorization.

102551382 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9668 (or 9665 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 27.

The square root of 102551382 is about 10126.7656238307. The cubic root of 102551382 is about 468.0732681694.

The spelling of 102551382 in words is "one hundred two million, five hundred fifty-one thousand, three hundred eighty-two".