143002140 has 48 divisors (see below), whose sum is σ = 401006592. Its totient is φ = 38076736.

The previous prime is 143002099. The next prime is 143002141. The reversal of 143002140 is 41200341.

It is a super-2 number, since 2×143002140² = 40899224089159200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143002141) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51877 + ... + 54563.

It is an arithmetic number, because the mean of its divisors is an integer number (8354304).

Almost surely, 2^143002140 is an apocalyptic number.

143002140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

143002140 is an abundant number, since it is smaller than the sum of its proper divisors (258004452).

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

143002140 is a wasteful number, since it uses less digits than its factorization.

143002140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3586 (or 3584 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 143002140 is about 11958.3502206617. The cubic root of 143002140 is about 522.9347617286.

Adding to 143002140 its reverse (41200341), we get a palindrome (184202481).

The spelling of 143002140 in words is "one hundred forty-three million, two thousand, one hundred forty".