143021044402 has 8 divisors (see below), whose sum is σ = 214533223596. Its totient is φ = 71509969872.

The previous prime is 143021044399. The next prime is 143021044409. The reversal of 143021044402 is 204440120341.

It can be written as a sum of positive squares in 2 ways, for example, as 140429318121 + 2591726281 = 374739^2 + 50909^2 .

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

It is not an unprimeable number, because it can be changed into a prime (143021044409) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 241828 + ... + 586960.

Almost surely, 2^143021044402 is an apocalyptic number.

143021044402 is a deficient number, since it is larger than the sum of its proper divisors (71512179194).

143021044402 is a wasteful number, since it uses less digits than its factorization.

143021044402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 552332.

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 143021044402 its reverse (204440120341), we get a palindrome (347461164743).

The spelling of 143021044402 in words is "one hundred forty-three billion, twenty-one million, forty-four thousand, four hundred two".