143023040 has 112 divisors (see below), whose sum is σ = 367369344. Its totient is φ = 52838400.

The previous prime is 143023037. The next prime is 143023043. The reversal of 143023040 is 40320341.

It is an interprime number because it is at equal distance from previous prime (143023037) and next prime (143023043).

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143023043) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 331625 + ... + 332055.

Almost surely, 2^143023040 is an apocalyptic number.

143023040 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 143023040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (183684672).

143023040 is an abundant number, since it is smaller than the sum of its proper divisors (224346304).

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

143023040 is a wasteful number, since it uses less digits than its factorization.

143023040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 526 (or 516 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 143023040 is about 11959.2240550966. The cubic root of 143023040 is about 522.9602364152.

Adding to 143023040 its reverse (40320341), we get a palindrome (183343381).

The spelling of 143023040 in words is "one hundred forty-three million, twenty-three thousand, forty".