298309142 has 8 divisors (see below), whose sum is σ = 447537000. Its totient is φ = 149130144.

The previous prime is 298309117. The next prime is 298309147. The reversal of 298309142 is 241903892.

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

It is a junction number, because it is equal to n+sod(n) for n = 298309096 and 298309105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (298309147) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17909 + ... + 30287.

It is an arithmetic number, because the mean of its divisors is an integer number (55942125).

Almost surely, 2^298309142 is an apocalyptic number.

298309142 is a deficient number, since it is larger than the sum of its proper divisors (149227858).

298309142 is a wasteful number, since it uses less digits than its factorization.

298309142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24430.

The product of its (nonzero) digits is 31104, while the sum is 38.

The square root of 298309142 is about 17271.6282382409. The cubic root of 298309142 is about 668.1728952945.

The spelling of 298309142 in words is "two hundred ninety-eight million, three hundred nine thousand, one hundred forty-two".