143375442 has 64 divisors (see below), whose sum is σ = 338688000. Its totient is φ = 39611520.

The previous prime is 143375429. The next prime is 143375443. The reversal of 143375442 is 244573341.

It is not an unprimeable number, because it can be changed into a prime (143375443) 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 31 ways as a sum of consecutive naturals, for example, 239059 + ... + 239657.

It is an arithmetic number, because the mean of its divisors is an integer number (5292000).

Almost surely, 2^143375442 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 143375442, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (169344000).

143375442 is an abundant number, since it is smaller than the sum of its proper divisors (195312558).

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

143375442 is a wasteful number, since it uses less digits than its factorization.

143375442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 791.

The product of its digits is 40320, while the sum is 33.

The square root of 143375442 is about 11973.9484715778. The cubic root of 143375442 is about 523.3894005500.

The spelling of 143375442 in words is "one hundred forty-three million, three hundred seventy-five thousand, four hundred forty-two".