143284542 has 32 divisors (see below), whose sum is σ = 296884224. Its totient is φ = 46053600.

The previous prime is 143284541. The next prime is 143284543. The reversal of 143284542 is 245482341.

It is an interprime number because it is at equal distance from previous prime (143284541) and next prime (143284543).

It is a super-2 number, since 2×143284542² = 41060919952299528, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143284541) 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 15 ways as a sum of consecutive naturals, for example, 56608 + ... + 59084.

It is an arithmetic number, because the mean of its divisors is an integer number (9277632).

Almost surely, 2^143284542 is an apocalyptic number.

143284542 is an abundant number, since it is smaller than the sum of its proper divisors (153599682).

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

143284542 is a wasteful number, since it uses less digits than its factorization.

143284542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2824.

The product of its digits is 30720, while the sum is 33.

The square root of 143284542 is about 11970.1521293591. The cubic root of 143284542 is about 523.2787675764.

The spelling of 143284542 in words is "one hundred forty-three million, two hundred eighty-four thousand, five hundred forty-two".