143406738 has 12 divisors (see below), whose sum is σ = 310714638. Its totient is φ = 47802240.

The previous prime is 143406719. The next prime is 143406773. The reversal of 143406738 is 837604341.

143406738 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 77845329 + 65561409 = 8823^2 + 8097^2 .

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 5 ways as a sum of consecutive naturals, for example, 3983503 + ... + 3983538.

Almost surely, 2^143406738 is an apocalyptic number.

143406738 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

143406738 is an abundant number, since it is smaller than the sum of its proper divisors (167307900).

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

143406738 is a wasteful number, since it uses less digits than its factorization.

143406738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7967049 (or 7967046 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 36.

The square root of 143406738 is about 11975.2552373634. The cubic root of 143406738 is about 523.4274796026.

The spelling of 143406738 in words is "one hundred forty-three million, four hundred six thousand, seven hundred thirty-eight".