143000634 has 64 divisors (see below), whose sum is σ = 355504896. Its totient is φ = 37407744.

The previous prime is 143000633. The next prime is 143000639. The reversal of 143000634 is 436000341.

It is a Harshad number since it is a multiple of its sum of digits (21).

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 143000634.

It is not an unprimeable number, because it can be changed into a prime (143000633) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 23712 + ... + 29124.

It is an arithmetic number, because the mean of its divisors is an integer number (5554764).

Almost surely, 2^143000634 is an apocalyptic number.

143000634 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 143000634, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (177752448).

143000634 is an abundant number, since it is smaller than the sum of its proper divisors (212504262).

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

143000634 is a wasteful number, since it uses less digits than its factorization.

143000634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5479.

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

The square root of 143000634 is about 11958.2872519437. The cubic root of 143000634 is about 522.9329259926.

Adding to 143000634 its reverse (436000341), we get a palindrome (579000975).

The spelling of 143000634 in words is "one hundred forty-three million, six hundred thirty-four", and thus it is an aban number.