101864543 has 8 divisors (see below), whose sum is σ = 114710016. Its totient is φ = 89616600.

The previous prime is 101864537. The next prime is 101864597. The reversal of 101864543 is 345468101.

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

It is a cyclic number.

It is not a de Polignac number, because 101864543 - 2⁶ = 101864479 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101864513) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 149021 + ... + 149702.

It is an arithmetic number, because the mean of its divisors is an integer number (14338752).

Almost surely, 2^101864543 is an apocalyptic number.

101864543 is a deficient number, since it is larger than the sum of its proper divisors (12845473).

101864543 is a wasteful number, since it uses less digits than its factorization.

101864543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 298765.

The product of its (nonzero) digits is 11520, while the sum is 32.

The square root of 101864543 is about 10092.7965896475. The cubic root of 101864543 is about 467.0259512652.

The spelling of 101864543 in words is "one hundred one million, eight hundred sixty-four thousand, five hundred forty-three".