143440004245 has 16 divisors (see below), whose sum is σ = 174750189552. Its totient is φ = 113008642560.

The previous prime is 143440004237. The next prime is 143440004251. The reversal of 143440004245 is 542400044341.

It can be written as a sum of positive squares in 8 ways, for example, as 996412356 + 142443591889 = 31566^2 + 377417^2 .

It is not a de Polignac number, because 143440004245 - 2³ = 143440004237 is a prime.

It is a super-4 number, since 4×143440004245⁴ (a number of 46 digits) contains 4444 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 56002 + ... + 538531.

It is an arithmetic number, because the mean of its divisors is an integer number (10921886847).

Almost surely, 2^143440004245 is an apocalyptic number.

It is an amenable number.

143440004245 is a deficient number, since it is larger than the sum of its proper divisors (31310185307).

143440004245 is an equidigital number, since it uses as much as digits as its factorization.

143440004245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 595272.

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

Adding to 143440004245 its reverse (542400044341), we get a palindrome (685840048586).

The spelling of 143440004245 in words is "one hundred forty-three billion, four hundred forty million, four thousand, two hundred forty-five".