101422143 has 24 divisors (see below), whose sum is σ = 151970208. Its totient is φ = 65126592.

The previous prime is 101422129. The next prime is 101422147. The reversal of 101422143 is 341224101.

101422143 is a `hidden beast` number, since 101 + 422 + 143 = 666.

It is not a de Polignac number, because 101422143 - 2⁴ = 101422127 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101422147) 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, 32821 + ... + 35777.

It is an arithmetic number, because the mean of its divisors is an integer number (6332092).

Almost surely, 2^101422143 is an apocalyptic number.

101422143 is a deficient number, since it is larger than the sum of its proper divisors (50548065).

101422143 is a wasteful number, since it uses less digits than its factorization.

101422143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3103 (or 3100 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 101422143 is about 10070.8561205093. The cubic root of 101422143 is about 466.3488687208.

Adding to 101422143 its reverse (341224101), we get a palindrome (442646244).

The spelling of 101422143 in words is "one hundred one million, four hundred twenty-two thousand, one hundred forty-three".