143200040 has 16 divisors (see below), whose sum is σ = 322200180. Its totient is φ = 57280000.

The previous prime is 143200037. The next prime is 143200049. The reversal of 143200040 is 40002341.

It can be written as a sum of positive squares in 2 ways, for example, as 143185156 + 14884 = 11966^2 + 122^2 .

It is a junction number, because it is equal to n+sod(n) for n = 143199988 and 143200024.

It is not an unprimeable number, because it can be changed into a prime (143200049) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1789961 + ... + 1790040.

Almost surely, 2^143200040 is an apocalyptic number.

143200040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

143200040 is an abundant number, since it is smaller than the sum of its proper divisors (179000140).

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

143200040 is a wasteful number, since it uses less digits than its factorization.

143200040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3580012 (or 3580008 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 143200040 is about 11966.6219126368. The cubic root of 143200040 is about 523.1758795347.

Adding to 143200040 its reverse (40002341), we get a palindrome (183202381).

The spelling of 143200040 in words is "one hundred forty-three million, two hundred thousand, forty".