143738 has 8 divisors (see below), whose sum is σ = 246432. Its totient is φ = 61596.

The previous prime is 143729. The next prime is 143743. The reversal of 143738 is 837341.

143738 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×143738² = 41321225288, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5120 + ... + 5147.

It is an arithmetic number, because the mean of its divisors is an integer number (30804).

2¹⁴³⁷³⁸ is an apocalyptic number.

143738 is a deficient number, since it is larger than the sum of its proper divisors (102694).

143738 is a wasteful number, since it uses less digits than its factorization.

143738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10276.

The product of its digits is 2016, while the sum is 26.

The square root of 143738 is about 379.1279467409. The cubic root of 143738 is about 52.3830199630.

The spelling of 143738 in words is "one hundred forty-three thousand, seven hundred thirty-eight".