143663696 has 20 divisors (see below), whose sum is σ = 303653184. Its totient is φ = 65301600.

The previous prime is 143663687. The next prime is 143663699. The reversal of 143663696 is 696366341.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143663699) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 407960 + ... + 408311.

Almost surely, 2^143663696 is an apocalyptic number.

143663696 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

143663696 is an abundant number, since it is smaller than the sum of its proper divisors (159989488).

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

143663696 is a wasteful number, since it uses less digits than its factorization.

143663696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 816290 (or 816284 counting only the distinct ones).

The product of its digits is 419904, while the sum is 44.

The square root of 143663696 is about 11985.9791423146. The cubic root of 143663696 is about 523.7399210490.

The spelling of 143663696 in words is "one hundred forty-three million, six hundred sixty-three thousand, six hundred ninety-six".