143506040 has 32 divisors (see below), whose sum is σ = 329762880. Its totient is φ = 56180352.

The previous prime is 143506019. The next prime is 143506049. The reversal of 143506040 is 40605341.

It is a happy number.

143506040 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 143505997 and 143506015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143506049) 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, 36287 + ... + 40046.

It is an arithmetic number, because the mean of its divisors is an integer number (10305090).

Almost surely, 2^143506040 is an apocalyptic number.

143506040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

143506040 is an abundant number, since it is smaller than the sum of its proper divisors (186256840).

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

143506040 is a wasteful number, since it uses less digits than its factorization.

143506040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76391 (or 76387 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 143506040 is about 11979.4006527873. The cubic root of 143506040 is about 523.5482675183.

The spelling of 143506040 in words is "one hundred forty-three million, five hundred six thousand, forty".