143490 has 16 divisors (see below), whose sum is σ = 344448. Its totient is φ = 38256.

The previous prime is 143489. The next prime is 143501. The reversal of 143490 is 94341.

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

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2362 + ... + 2421.

It is an arithmetic number, because the mean of its divisors is an integer number (21528).

2¹⁴³⁴⁹⁰ is an apocalyptic number.

143490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

143490 is an abundant number, since it is smaller than the sum of its proper divisors (200958).

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

143490 is a wasteful number, since it uses less digits than its factorization.

143490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4793.

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 143490 is about 378.8007391756. The cubic root of 143490 is about 52.3528760727.

The spelling of 143490 in words is "one hundred forty-three thousand, four hundred ninety".