143834140 has 24 divisors (see below), whose sum is σ = 309078000. Its totient is φ = 56195328.

The previous prime is 143834129. The next prime is 143834149. The reversal of 143834140 is 41438341.

It is a junction number, because it is equal to n+sod(n) for n = 143834099 and 143834108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143834149) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 82765 + ... + 84484.

It is an arithmetic number, because the mean of its divisors is an integer number (12878250).

Almost surely, 2^143834140 is an apocalyptic number.

143834140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

143834140 is an abundant number, since it is smaller than the sum of its proper divisors (165243860).

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

143834140 is a wasteful number, since it uses less digits than its factorization.

143834140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167301 (or 167299 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 28.

The square root of 143834140 is about 11993.0871755357. The cubic root of 143834140 is about 523.9469625631.

The spelling of 143834140 in words is "one hundred forty-three million, eight hundred thirty-four thousand, one hundred forty".