143713640 has 128 divisors (see below), whose sum is σ = 383616000. Its totient is φ = 47443968.

The previous prime is 143713573. The next prime is 143713643. The reversal of 143713640 is 46317341.

It is a super-2 number, since 2×143713640² = 41307220644099200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (143713643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1614716 + ... + 1614804.

It is an arithmetic number, because the mean of its divisors is an integer number (2997000).

Almost surely, 2^143713640 is an apocalyptic number.

143713640 is a gapful number since it is divisible by the number (10) 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 143713640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (191808000).

143713640 is an abundant number, since it is smaller than the sum of its proper divisors (239902360).

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

143713640 is a wasteful number, since it uses less digits than its factorization.

143713640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 259 (or 255 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 29.

The square root of 143713640 is about 11988.0623955667. The cubic root of 143713640 is about 523.8006059140.

The spelling of 143713640 in words is "one hundred forty-three million, seven hundred thirteen thousand, six hundred forty".