143040400 has 60 divisors (see below), whose sum is σ = 344810644. Its totient is φ = 57024000.

The previous prime is 143040389. The next prime is 143040413. The reversal of 143040400 is 4040341.

It can be written as a sum of positive squares in 6 ways, for example, as 190096 + 142850304 = 436^2 + 11952^2 .

It is a Harshad number since it is a multiple of its sum of digits (16).

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, 216070 + ... + 216730.

Almost surely, 2^143040400 is an apocalyptic number.

143040400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 143040400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (172405322).

143040400 is an abundant number, since it is smaller than the sum of its proper divisors (201770244).

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

143040400 is a wasteful number, since it uses less digits than its factorization.

143040400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1220 (or 1209 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 143040400 is about 11959.9498326707. The cubic root of 143040400 is about 522.9813943639.

Adding to 143040400 its reverse (4040341), we get a palindrome (147080741).

The spelling of 143040400 in words is "one hundred forty-three million, forty thousand, four hundred".