143145886 has 48 divisors (see below), whose sum is σ = 248095008. Its totient is φ = 61560000.

The previous prime is 143145853. The next prime is 143145889. The reversal of 143145886 is 688541341.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143145889) 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, 947911 + ... + 948061.

It is an arithmetic number, because the mean of its divisors is an integer number (5168646).

Almost surely, 2^143145886 is an apocalyptic number.

143145886 is a deficient number, since it is larger than the sum of its proper divisors (104949122).

143145886 is a wasteful number, since it uses less digits than its factorization.

143145886 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 305 (or 286 counting only the distinct ones).

The product of its digits is 92160, while the sum is 40.

The square root of 143145886 is about 11964.3589882618. The cubic root of 143145886 is about 523.1099213623.

The spelling of 143145886 in words is "one hundred forty-three million, one hundred forty-five thousand, eight hundred eighty-six".