143540057 has 8 divisors (see below), whose sum is σ = 151016712. Its totient is φ = 136252800.

The previous prime is 143540011. The next prime is 143540071. The reversal of 143540057 is 750045341.

It can be written as a sum of positive squares in 4 ways, for example, as 952576 + 142587481 = 976^2 + 11941^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 143540057 - 2²⁴ = 126762841 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (143540087) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45794 + ... + 48827.

It is an arithmetic number, because the mean of its divisors is an integer number (18877089).

Almost surely, 2^143540057 is an apocalyptic number.

It is an amenable number.

143540057 is a deficient number, since it is larger than the sum of its proper divisors (7476655).

143540057 is an equidigital number, since it uses as much as digits as its factorization.

143540057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94699.

The product of its (nonzero) digits is 8400, while the sum is 29.

The square root of 143540057 is about 11980.8203809255. The cubic root of 143540057 is about 523.5896319431.

Adding to 143540057 its reverse (750045341), we get a palindrome (893585398).

The spelling of 143540057 in words is "one hundred forty-three million, five hundred forty thousand, fifty-seven".