101342143 has 24 divisors (see below), whose sum is σ = 124944000. Its totient is φ = 81729648.

The previous prime is 101342089. The next prime is 101342147. The reversal of 101342143 is 341243101.

It is not a de Polignac number, because 101342143 - 2²⁵ = 67787711 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a self number, because there is not a number n which added to its sum of digits gives 101342143.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101342147) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 184996 + ... + 185542.

It is an arithmetic number, because the mean of its divisors is an integer number (5206000).

Almost surely, 2^101342143 is an apocalyptic number.

101342143 is a deficient number, since it is larger than the sum of its proper divisors (23601857).

101342143 is a wasteful number, since it uses less digits than its factorization.

101342143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 779 (or 772 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 101342143 is about 10066.8834800051. The cubic root of 101342143 is about 466.2262205431.

Adding to 101342143 its reverse (341243101), we get a palindrome (442585244).

The spelling of 101342143 in words is "one hundred one million, three hundred forty-two thousand, one hundred forty-three".