142398698 has 16 divisors (see below), whose sum is σ = 243560520. Its totient is φ = 61856256.

The previous prime is 142398677. The next prime is 142398731. The reversal of 142398698 is 896893241.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 110397049 + 32001649 = 10507^2 + 5657^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 160643 + ... + 161526.

Almost surely, 2^142398698 is an apocalyptic number.

142398698 is a deficient number, since it is larger than the sum of its proper divisors (101161822).

142398698 is a wasteful number, since it uses less digits than its factorization.

142398698 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 322201.

The product of its digits is 746496, while the sum is 50.

The square root of 142398698 is about 11933.0925580924. The cubic root of 142398698 is about 522.1981627029.

The spelling of 142398698 in words is "one hundred forty-two million, three hundred ninety-eight thousand, six hundred ninety-eight".