43042231145 has 8 divisors (see below), whose sum is σ = 51671578056. Its totient is φ = 34419851136.

The previous prime is 43042231129. The next prime is 43042231147. The reversal of 43042231145 is 54113224034.

It can be written as a sum of positive squares in 4 ways, for example, as 3766522384 + 39275708761 = 61372^2 + 198181^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 43042231145 - 2⁴ = 43042231129 is a prime.

It is a super-2 number, since 2×43042231145² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (43042231147) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1728122 + ... + 1752851.

It is an arithmetic number, because the mean of its divisors is an integer number (6458947257).

Almost surely, 2^43042231145 is an apocalyptic number.

It is an amenable number.

43042231145 is a deficient number, since it is larger than the sum of its proper divisors (8629346911).

43042231145 is a wasteful number, since it uses less digits than its factorization.

43042231145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3483451.

The product of its (nonzero) digits is 11520, while the sum is 29.

Adding to 43042231145 its reverse (54113224034), we get a palindrome (97155455179).

The spelling of 43042231145 in words is "forty-three billion, forty-two million, two hundred thirty-one thousand, one hundred forty-five".