143450440 has 48 divisors (see below), whose sum is σ = 375464700. Its totient is φ = 49182336.

The previous prime is 143450413. The next prime is 143450497. The reversal of 143450440 is 44054341.

It can be written as a sum of positive squares in 2 ways, for example, as 134050084 + 9400356 = 11578^2 + 3066^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 34635 + ... + 38554.

Almost surely, 2^143450440 is an apocalyptic number.

143450440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

143450440 is an abundant number, since it is smaller than the sum of its proper divisors (232014260).

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

143450440 is a wasteful number, since it uses less digits than its factorization.

143450440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73214 (or 73203 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 25.

The square root of 143450440 is about 11977.0797776420. The cubic root of 143450440 is about 523.4806442465.

The spelling of 143450440 in words is "one hundred forty-three million, four hundred fifty thousand, four hundred forty".