143420243002 has 4 divisors (see below), whose sum is σ = 215130364506. Its totient is φ = 71710121500.

The previous prime is 143420242993. The next prime is 143420243003. The reversal of 143420243002 is 200342024341.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 79664498001 + 63755745001 = 282249^2 + 252499^2 .

It is a super-2 number, since 2×143420243002² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (143420243003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35855060749 + ... + 35855060752.

Almost surely, 2^143420243002 is an apocalyptic number.

143420243002 is a deficient number, since it is larger than the sum of its proper divisors (71710121504).

143420243002 is an equidigital number, since it uses as much as digits as its factorization.

143420243002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71710121503.

The product of its (nonzero) digits is 4608, while the sum is 25.

Adding to 143420243002 its reverse (200342024341), we get a palindrome (343762267343).

The spelling of 143420243002 in words is "one hundred forty-three billion, four hundred twenty million, two hundred forty-three thousand, two".