378428143 has 8 divisors (see below), whose sum is σ = 400946112. Its totient is φ = 355938816.

The previous prime is 378428107. The next prime is 378428153. The reversal of 378428143 is 341824873.

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 378428143 - 2⁹ = 378427631 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 378428096 and 378428105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (378428153) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23946 + ... + 36472.

It is an arithmetic number, because the mean of its divisors is an integer number (50118264).

Almost surely, 2^378428143 is an apocalyptic number.

378428143 is a deficient number, since it is larger than the sum of its proper divisors (22517969).

378428143 is a wasteful number, since it uses less digits than its factorization.

378428143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14321.

The product of its digits is 129024, while the sum is 40.

The square root of 378428143 is about 19453.2296290359. The cubic root of 378428143 is about 723.3155618438.

The spelling of 378428143 in words is "three hundred seventy-eight million, four hundred twenty-eight thousand, one hundred forty-three".