143634 has 16 divisors (see below), whose sum is σ = 295488. Its totient is φ = 46512.

The previous prime is 143629. The next prime is 143651. The reversal of 143634 is 436341.

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

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 143634.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 143634.

It is an unprimeable number.

143634 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 102 + ... + 545.

It is an arithmetic number, because the mean of its divisors is an integer number (18468).

2¹⁴³⁶³⁴ is an apocalyptic number.

143634 is an abundant number, since it is smaller than the sum of its proper divisors (151854).

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

143634 is a wasteful number, since it uses less digits than its factorization.

143634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 689.

The product of its digits is 864, while the sum is 21.

The square root of 143634 is about 378.9907650590. The cubic root of 143634 is about 52.3703832014.

Adding to 143634 its reverse (436341), we get a palindrome (579975).

It can be divided in two parts, 143 and 634, that added together give a palindrome (777).

The spelling of 143634 in words is "one hundred forty-three thousand, six hundred thirty-four".