101404143 has 24 divisors (see below), whose sum is σ = 154410256. Its totient is φ = 66484800.

The previous prime is 101404139. The next prime is 101404169. The reversal of 101404143 is 341404101.

It is not a de Polignac number, because 101404143 - 2² = 101404139 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 (101404343) 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, 11403 + ... + 18243.

Almost surely, 2^101404143 is an apocalyptic number.

101404143 is a deficient number, since it is larger than the sum of its proper divisors (53006113).

101404143 is an frugal number, since it uses more digits than its factorization.

101404143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6917 (or 6905 counting only the distinct ones).

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

The square root of 101404143 is about 10069.9624130381. The cubic root of 101404143 is about 466.3212785055.

Adding to 101404143 its reverse (341404101), we get a palindrome (442808244).

The spelling of 101404143 in words is "one hundred one million, four hundred four thousand, one hundred forty-three".