143042040 has 96 divisors (see below), whose sum is σ = 471341520. Its totient is φ = 37615104.

The previous prime is 143041999. The next prime is 143042041. The reversal of 143042040 is 40240341.

It is a super-2 number, since 2×143042040² = 40922050414723200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143042041) 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 23 ways as a sum of consecutive naturals, for example, 23559 + ... + 29001.

Almost surely, 2^143042040 is an apocalyptic number.

143042040 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 143042040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (235670760).

143042040 is an abundant number, since it is smaller than the sum of its proper divisors (328299480).

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

143042040 is a wasteful number, since it uses less digits than its factorization.

143042040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5533 (or 5526 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 143042040 is about 11960.0183946347. The cubic root of 143042040 is about 522.9833930678.

Adding to 143042040 its reverse (40240341), we get a palindrome (183282381).

The spelling of 143042040 in words is "one hundred forty-three million, forty-two thousand, forty".