142999998 has 16 divisors (see below), whose sum is σ = 286139136. Its totient is φ = 47643480.

The previous prime is 142999979. The next prime is 143000017. The reversal of 142999998 is 899999241.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (142999979) and next prime (143000017).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11565 + ... + 20487.

It is an arithmetic number, because the mean of its divisors is an integer number (17883696).

Almost surely, 2^142999998 is an apocalyptic number.

142999998 is an abundant number, since it is smaller than the sum of its proper divisors (143139138).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

142999998 is a wasteful number, since it uses less digits than its factorization.

142999998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11599.

The product of its digits is 3779136, while the sum is 60.

The square root of 142999998 is about 11958.2606594772. The cubic root of 142999998 is about 522.9321507377.

The spelling of 142999998 in words is "one hundred forty-two million, nine hundred ninety-nine thousand, nine hundred ninety-eight".