101255143 has 4 divisors (see below), whose sum is σ = 110460168. Its totient is φ = 92050120.

The previous prime is 101255113. The next prime is 101255171. The reversal of 101255143 is 341552101.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 341552101 = 11 ⋅31050191.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-101255143 is a prime.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101255113) 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 3 ways as a sum of consecutive naturals, for example, 4602496 + ... + 4602517.

It is an arithmetic number, because the mean of its divisors is an integer number (27615042).

Almost surely, 2^101255143 is an apocalyptic number.

101255143 is a deficient number, since it is larger than the sum of its proper divisors (9205025).

101255143 is an equidigital number, since it uses as much as digits as its factorization.

101255143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9205024.

The product of its (nonzero) digits is 600, while the sum is 22.

The square root of 101255143 is about 10062.5614532285. The cubic root of 101255143 is about 466.0927673628.

The spelling of 101255143 in words is "one hundred one million, two hundred fifty-five thousand, one hundred forty-three".