143241042 has 64 divisors (see below), whose sum is σ = 336061440. Its totient is φ = 39859776.

The previous prime is 143241011. The next prime is 143241053. The reversal of 143241042 is 240142341.

It is a super-2 number, since 2×143241042² = 41035992226491528, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 306493 + ... + 306959.

It is an arithmetic number, because the mean of its divisors is an integer number (5250960).

Almost surely, 2^143241042 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 143241042, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (168030720).

143241042 is an abundant number, since it is smaller than the sum of its proper divisors (192820398).

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

143241042 is a wasteful number, since it uses less digits than its factorization.

143241042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 655.

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 143241042 is about 11968.3349719165. The cubic root of 143241042 is about 523.2258078503.

Adding to 143241042 its reverse (240142341), we get a palindrome (383383383).

The spelling of 143241042 in words is "one hundred forty-three million, two hundred forty-one thousand, forty-two".