19148143 has 8 divisors (see below), whose sum is σ = 23035520. Its totient is φ = 15548760.

The previous prime is 19148123. The next prime is 19148147. The reversal of 19148143 is 34184191.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 19148143 - 2⁹ = 19147631 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 (19148147) 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 7 ways as a sum of consecutive naturals, for example, 71853 + ... + 72118.

It is an arithmetic number, because the mean of its divisors is an integer number (2879440).

Almost surely, 2^19148143 is an apocalyptic number.

19148143 is a deficient number, since it is larger than the sum of its proper divisors (3887377).

19148143 is a wasteful number, since it uses less digits than its factorization.

19148143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143997.

The product of its digits is 3456, while the sum is 31.

The square root of 19148143 is about 4375.8591156480. The cubic root of 19148143 is about 267.5318877758.

It can be divided in two parts, 19148 and 143, that added together give a palindrome (19291).

The spelling of 19148143 in words is "nineteen million, one hundred forty-eight thousand, one hundred forty-three".