143390 has 16 divisors (see below), whose sum is σ = 278208. Its totient is φ = 52896.

The previous prime is 143387. The next prime is 143401. The reversal of 143390 is 93341.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 422 + ... + 681.

It is an arithmetic number, because the mean of its divisors is an integer number (17388).

2¹⁴³³⁹⁰ is an apocalyptic number.

143390 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

143390 is a deficient number, since it is larger than the sum of its proper divisors (134818).

143390 is a wasteful number, since it uses less digits than its factorization.

143390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1123.

The product of its (nonzero) digits is 324, while the sum is 20.

The square root of 143390 is about 378.6687206517. The cubic root of 143390 is about 52.3407114520.

The spelling of 143390 in words is "one hundred forty-three thousand, three hundred ninety".