200143464 has 32 divisors (see below), whose sum is σ = 500735520. Its totient is φ = 66664256.

The previous prime is 200143441. The next prime is 200143469. The reversal of 200143464 is 464341002.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (200143469) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43582 + ... + 47954.

It is an arithmetic number, because the mean of its divisors is an integer number (15647985).

Almost surely, 2^200143464 is an apocalyptic number.

200143464 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

200143464 is an abundant number, since it is smaller than the sum of its proper divisors (300592056).

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

200143464 is a wasteful number, since it uses less digits than its factorization.

200143464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6289 (or 6285 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 200143464 is about 14147.2069328189. The cubic root of 200143464 is about 584.9433446484.

Adding to 200143464 its reverse (464341002), we get a palindrome (664484466).

The spelling of 200143464 in words is "two hundred million, one hundred forty-three thousand, four hundred sixty-four".