142947298 has 24 divisors (see below), whose sum is σ = 244414800. Its totient is φ = 62500464.

The previous prime is 142947269. The next prime is 142947313. The reversal of 142947298 is 892749241.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4708 + ... + 17551.

It is an arithmetic number, because the mean of its divisors is an integer number (10183950).

Almost surely, 2^142947298 is an apocalyptic number.

142947298 is a deficient number, since it is larger than the sum of its proper divisors (101467502).

142947298 is a wasteful number, since it uses less digits than its factorization.

142947298 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22306 (or 22293 counting only the distinct ones).

The product of its digits is 290304, while the sum is 46.

The square root of 142947298 is about 11956.0569587134. The cubic root of 142947298 is about 522.8679038593.

The spelling of 142947298 in words is "one hundred forty-two million, nine hundred forty-seven thousand, two hundred ninety-eight".