143870101 has 4 divisors (see below), whose sum is σ = 148511104. Its totient is φ = 139229100.

The previous prime is 143870093. The next prime is 143870117. The reversal of 143870101 is 101078341.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 143870101 - 2³ = 143870093 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143870141) 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 3 ways as a sum of consecutive naturals, for example, 2320455 + ... + 2320516.

It is an arithmetic number, because the mean of its divisors is an integer number (37127776).

Almost surely, 2^143870101 is an apocalyptic number.

It is an amenable number.

143870101 is a deficient number, since it is larger than the sum of its proper divisors (4641003).

143870101 is an equidigital number, since it uses as much as digits as its factorization.

143870101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4641002.

The product of its (nonzero) digits is 672, while the sum is 25.

The square root of 143870101 is about 11994.5863205031. The cubic root of 143870101 is about 523.9906241645.

The spelling of 143870101 in words is "one hundred forty-three million, eight hundred seventy thousand, one hundred one".