143098 has 4 divisors (see below), whose sum is σ = 214650. Its totient is φ = 71548.

The previous prime is 143093. The next prime is 143107. The reversal of 143098 is 890341.

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

It can be written as a sum of positive squares in only one way, i.e., 139129 + 3969 = 373^2 + 63^2 .

It is an alternating number because its digits alternate between odd and even.

It is not an unprimeable number, because it can be changed into a prime (143093) by changing a digit.

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 as a sum of consecutive naturals, namely, 35773 + ... + 35776.

2¹⁴³⁰⁹⁸ is an apocalyptic number.

143098 is a deficient number, since it is larger than the sum of its proper divisors (71552).

143098 is an equidigital number, since it uses as much as digits as its factorization.

143098 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71551.

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 143098 is about 378.2829628730. The cubic root of 143098 is about 52.3051583592.

The spelling of 143098 in words is "one hundred forty-three thousand, ninety-eight".