143520422242 has 8 divisors (see below), whose sum is σ = 216569739456. Its totient is φ = 71330509092.

The previous prime is 143520422237. The next prime is 143520422263. The reversal of 143520422242 is 242224025341.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×143520422242² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 214850598 + ... + 214851265.

It is an arithmetic number, because the mean of its divisors is an integer number (27071217432).

Almost surely, 2^143520422242 is an apocalyptic number.

143520422242 is a deficient number, since it is larger than the sum of its proper divisors (73049317214).

143520422242 is a wasteful number, since it uses less digits than its factorization.

143520422242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 429702032.

The product of its (nonzero) digits is 30720, while the sum is 31.

Adding to 143520422242 its reverse (242224025341), we get a palindrome (385744447583).

The spelling of 143520422242 in words is "one hundred forty-three billion, five hundred twenty million, four hundred twenty-two thousand, two hundred forty-two".