43143145545 has 16 divisors (see below), whose sum is σ = 70199017920. Its totient is φ = 22619682624.

The previous prime is 43143145543. The next prime is 43143145553. The reversal of 43143145545 is 54554134134.

It is not a de Polignac number, because 43143145545 - 2¹ = 43143145543 is a prime.

It is a super-2 number, since 2×43143145545² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (43143145543) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24373774 + ... + 24375543.

It is an arithmetic number, because the mean of its divisors is an integer number (4387438620).

Almost surely, 2^43143145545 is an apocalyptic number.

It is an amenable number.

43143145545 is a deficient number, since it is larger than the sum of its proper divisors (27055872375).

43143145545 is a wasteful number, since it uses less digits than its factorization.

43143145545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48749384.

The product of its digits is 288000, while the sum is 39.

Adding to 43143145545 its reverse (54554134134), we get a palindrome (97697279679).

The spelling of 43143145545 in words is "forty-three billion, one hundred forty-three million, one hundred forty-five thousand, five hundred forty-five".