102252543 has 8 divisors (see below), whose sum is σ = 136390656. Its totient is φ = 68141400.

The previous prime is 102252541. The next prime is 102252551. The reversal of 102252543 is 345252201.

It is a Cunningham number, because it is equal to 10112²-1.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 102252543 - 2¹ = 102252541 is a prime.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102252541) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5058 + ... + 15168.

It is an arithmetic number, because the mean of its divisors is an integer number (17048832).

Almost surely, 2^102252543 is an apocalyptic number.

102252543 is a deficient number, since it is larger than the sum of its proper divisors (34138113).

102252543 is a wasteful number, since it uses less digits than its factorization.

102252543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13485.

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 102252543 is about 10111.9999505538. Note that the first 4 decimals coincide. The cubic root of 102252543 is about 467.6181641501.

The spelling of 102252543 in words is "one hundred two million, two hundred fifty-two thousand, five hundred forty-three".