143002121344 has 16 divisors (see below), whose sum is σ = 284887038870. Its totient is φ = 71501060608.

The previous prime is 143002121329. The next prime is 143002121359. The reversal of 143002121344 is 443121200341.

It is an interprime number because it is at equal distance from previous prime (143002121329) and next prime (143002121359).

It can be written as a sum of positive squares in only one way, i.e., 139069326400 + 3932794944 = 372920^2 + 62712^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 558601909 + ... + 558602164.

Almost surely, 2^143002121344 is an apocalyptic number.

It is an amenable number.

143002121344 is a deficient number, since it is larger than the sum of its proper divisors (141884917526).

143002121344 is an equidigital number, since it uses as much as digits as its factorization.

143002121344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1117204087 (or 1117204075 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 143002121344 its reverse (443121200341), we get a palindrome (586123321685).

The spelling of 143002121344 in words is "one hundred forty-three billion, two million, one hundred twenty-one thousand, three hundred forty-four".