102354543 has 32 divisors (see below), whose sum is σ = 161150400. Its totient is φ = 64084608.

The previous prime is 102354517. The next prime is 102354563. The reversal of 102354543 is 345453201.

It is not a de Polignac number, because 102354543 - 2⁶ = 102354479 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102354503) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 27205 + ... + 30737.

It is an arithmetic number, because the mean of its divisors is an integer number (5035950).

Almost surely, 2^102354543 is an apocalyptic number.

102354543 is a deficient number, since it is larger than the sum of its proper divisors (58795857).

102354543 is a wasteful number, since it uses less digits than its factorization.

102354543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3608 (or 3602 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

The square root of 102354543 is about 10117.0422060996. The cubic root of 102354543 is about 467.7736002249.

The spelling of 102354543 in words is "one hundred two million, three hundred fifty-four thousand, five hundred forty-three".