143554 has 4 divisors (see below), whose sum is σ = 215334. Its totient is φ = 71776.

The previous prime is 143551. The next prime is 143567. The reversal of 143554 is 455341.

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., 112225 + 31329 = 335^2 + 177^2 .

It is not an unprimeable number, because it can be changed into a prime (143551) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35887 + ... + 35890.

2¹⁴³⁵⁵⁴ is an apocalyptic number.

143554 is a deficient number, since it is larger than the sum of its proper divisors (71780).

143554 is an equidigital number, since it uses as much as digits as its factorization.

143554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71779.

The product of its digits is 1200, while the sum is 22.

The square root of 143554 is about 378.8852068899. The cubic root of 143554 is about 52.3606584642.

Adding to 143554 its reverse (455341), we get a palindrome (598895).

The spelling of 143554 in words is "one hundred forty-three thousand, five hundred fifty-four".