143022040 has 32 divisors (see below), whose sum is σ = 367771680. Its totient is φ = 49036032.

The previous prime is 143022017. The next prime is 143022043. The reversal of 143022040 is 40220341.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143022043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 255117 + ... + 255676.

It is an arithmetic number, because the mean of its divisors is an integer number (11492865).

Almost surely, 2^143022040 is an apocalyptic number.

143022040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

143022040 is an abundant number, since it is smaller than the sum of its proper divisors (224749640).

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

143022040 is a wasteful number, since it uses less digits than its factorization.

143022040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 510811 (or 510807 counting only the distinct ones).

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

The square root of 143022040 is about 11959.1822462909. The cubic root of 143022040 is about 522.9590175872.

Adding to 143022040 its reverse (40220341), we get a palindrome (183242381).

The spelling of 143022040 in words is "one hundred forty-three million, twenty-two thousand, forty".