143125242 has 64 divisors (see below), whose sum is σ = 318743040. Its totient is φ = 42565824.

The previous prime is 143125231. The next prime is 143125253. The reversal of 143125242 is 242521341.

It is an interprime number because it is at equal distance from previous prime (143125231) and next prime (143125253).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 466053 + ... + 466359.

It is an arithmetic number, because the mean of its divisors is an integer number (4980360).

Almost surely, 2^143125242 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 143125242, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (159371520).

143125242 is an abundant number, since it is smaller than the sum of its proper divisors (175617798).

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

143125242 is a wasteful number, since it uses less digits than its factorization.

143125242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 507.

The product of its digits is 1920, while the sum is 24.

The square root of 143125242 is about 11963.4962281099. The cubic root of 143125242 is about 523.0847731244.

Adding to 143125242 its reverse (242521341), we get a palindrome (385646583).

The spelling of 143125242 in words is "one hundred forty-three million, one hundred twenty-five thousand, two hundred forty-two".