143726940 has 192 divisors, whose sum is σ = 522547200. Its totient is φ = 32113152.

The previous prime is 143726923. The next prime is 143726953. The reversal of 143726940 is 49627341.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 143726895 and 143726904.

It is a congruent number.

It is an unprimeable number.

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 63 ways as a sum of consecutive naturals, for example, 177256 + ... + 178064.

It is an arithmetic number, because the mean of its divisors is an integer number (2721600).

Almost surely, 2^143726940 is an apocalyptic number.

143726940 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 143726940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (261273600).

143726940 is an abundant number, since it is smaller than the sum of its proper divisors (378820260).

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

143726940 is a wasteful number, since it uses less digits than its factorization.

143726940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 881 (or 873 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 36.

The square root of 143726940 is about 11988.6171012340. The cubic root of 143726940 is about 523.8167638170.

It can be divided in two parts, 14372 and 6940, that added together give a palindrome (21312).

The spelling of 143726940 in words is "one hundred forty-three million, seven hundred twenty-six thousand, nine hundred forty".