4331443312145 has 8 divisors (see below), whose sum is σ = 5197835282280. Its totient is φ = 3465085777920.

The previous prime is 4331443312111. The next prime is 4331443312151. The reversal of 4331443312145 is 5412133441334.

It can be written as a sum of positive squares in 4 ways, for example, as 2411954984209 + 1919488327936 = 1553047^2 + 1385456^2 .

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

It is not a de Polignac number, because 4331443312145 - 2¹⁰ = 4331443311121 is a prime.

It is a super-2 number, since 2×4331443312145² (a number of 26 digits) contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 4331443312099 and 4331443312108.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8331440 + ... + 8836049.

It is an arithmetic number, because the mean of its divisors is an integer number (649729410285).

Almost surely, 2^{4331443312145} is an apocalyptic number.

It is an amenable number.

4331443312145 is a deficient number, since it is larger than the sum of its proper divisors (866391970135).

4331443312145 is a wasteful number, since it uses less digits than its factorization.

4331443312145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17217955.

The product of its digits is 207360, while the sum is 38.

Adding to 4331443312145 its reverse (5412133441334), we get a palindrome (9743576753479).

The spelling of 4331443312145 in words is "four trillion, three hundred thirty-one billion, four hundred forty-three million, three hundred twelve thousand, one hundred forty-five".