143290 has 32 divisors (see below), whose sum is σ = 311040. Its totient is φ = 46464.

The previous prime is 143287. The next prime is 143291. The reversal of 143290 is 92341.

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 (143291) 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 in 15 ways as a sum of consecutive naturals, for example, 1566 + ... + 1654.

It is an arithmetic number, because the mean of its divisors is an integer number (9720).

2¹⁴³²⁹⁰ is an apocalyptic number.

143290 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

143290 is an abundant number, since it is smaller than the sum of its proper divisors (167750).

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

143290 is a wasteful number, since it uses less digits than its factorization.

143290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126.

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 143290 is about 378.5366560850. The cubic root of 143290 is about 52.3285411743.

The spelling of 143290 in words is "one hundred forty-three thousand, two hundred ninety".