143055131 has 4 divisors (see below), whose sum is σ = 145070064. Its totient is φ = 141040200.

The previous prime is 143055089. The next prime is 143055151. The reversal of 143055131 is 131550341.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 131550341 = 13 ⋅10119257.

It is a cyclic number.

It is not a de Polignac number, because 143055131 - 2¹⁸ = 142792987 is a prime.

It is a super-2 number, since 2×143055131² = 40929541010854322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 143055097 and 143055106.

It is not an unprimeable number, because it can be changed into a prime (143055151) 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 3 ways as a sum of consecutive naturals, for example, 1007360 + ... + 1007501.

It is an arithmetic number, because the mean of its divisors is an integer number (36267516).

Almost surely, 2^143055131 is an apocalyptic number.

143055131 is a deficient number, since it is larger than the sum of its proper divisors (2014933).

143055131 is an equidigital number, since it uses as much as digits as its factorization.

143055131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2014932.

The product of its (nonzero) digits is 900, while the sum is 23.

The square root of 143055131 is about 11960.5656638806. The cubic root of 143055131 is about 522.9993468082. Note that the first 3 decimals are identical.

The spelling of 143055131 in words is "one hundred forty-three million, fifty-five thousand, one hundred thirty-one".