298378142 has 4 divisors (see below), whose sum is σ = 447567216. Its totient is φ = 149189070.

The previous prime is 298378141. The next prime is 298378151. The reversal of 298378142 is 241873892.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 298378093 and 298378102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (298378141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74594534 + ... + 74594537.

It is an arithmetic number, because the mean of its divisors is an integer number (111891804).

Almost surely, 2^298378142 is an apocalyptic number.

298378142 is a deficient number, since it is larger than the sum of its proper divisors (149189074).

298378142 is a wasteful number, since it uses less digits than its factorization.

298378142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149189073.

The product of its digits is 193536, while the sum is 44.

The square root of 298378142 is about 17273.6256182656. The cubic root of 298378142 is about 668.2244082711.

The spelling of 298378142 in words is "two hundred ninety-eight million, three hundred seventy-eight thousand, one hundred forty-two".