102040143 has 8 divisors (see below), whose sum is σ = 137374848. Its totient is φ = 67366104.

The previous prime is 102040093. The next prime is 102040157. The reversal of 102040143 is 341040201.

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

It is not a de Polignac number, because 102040143 - 2⁶ = 102040079 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102040343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 164805 + ... + 165422.

It is an arithmetic number, because the mean of its divisors is an integer number (17171856).

Almost surely, 2^102040143 is an apocalyptic number.

102040143 is a deficient number, since it is larger than the sum of its proper divisors (35334705).

102040143 is a wasteful number, since it uses less digits than its factorization.

102040143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 330333.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 102040143 is about 10101.4921175042. The cubic root of 102040143 is about 467.2941593362.

Adding to 102040143 its reverse (341040201), we get a palindrome (443080344).

The spelling of 102040143 in words is "one hundred two million, forty thousand, one hundred forty-three".