143690064 has 80 divisors (see below), whose sum is σ = 426639360. Its totient is φ = 40821120.

The previous prime is 143690059. The next prime is 143690083. The reversal of 143690064 is 460096341.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 63057 + ... + 65295.

It is an arithmetic number, because the mean of its divisors is an integer number (5332992).

Almost surely, 2^143690064 is an apocalyptic number.

143690064 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 143690064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (213319680).

143690064 is an abundant number, since it is smaller than the sum of its proper divisors (282949296).

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

143690064 is a wasteful number, since it uses less digits than its factorization.

143690064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2448 (or 2442 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 33.

The square root of 143690064 is about 11987.0790437037. The cubic root of 143690064 is about 523.7719614550.

The spelling of 143690064 in words is "one hundred forty-three million, six hundred ninety thousand, sixty-four".