143040937 has 8 divisors (see below), whose sum is σ = 155408904. Its totient is φ = 130867968.

The previous prime is 143040883. The next prime is 143040943. The reversal of 143040937 is 739040341.

It can be written as a sum of positive squares in 4 ways, for example, as 23707161 + 119333776 = 4869^2 + 10924^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-143040937 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 143040899 and 143040908.

It is not an unprimeable number, because it can be changed into a prime (143040967) 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 7 ways as a sum of consecutive naturals, for example, 47218 + ... + 50155.

It is an arithmetic number, because the mean of its divisors is an integer number (19426113).

Almost surely, 2^143040937 is an apocalyptic number.

It is an amenable number.

143040937 is a deficient number, since it is larger than the sum of its proper divisors (12367967).

143040937 is a wasteful number, since it uses less digits than its factorization.

143040937 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97499.

The product of its (nonzero) digits is 9072, while the sum is 31.

The square root of 143040937 is about 11959.9722825766. The cubic root of 143040937 is about 522.9820488192.

The spelling of 143040937 in words is "one hundred forty-three million, forty thousand, nine hundred thirty-seven".