43142503541 has 2 divisors, whose sum is σ = 43142503542. Its totient is φ = 43142503540.

The previous prime is 43142503489. The next prime is 43142503583. The reversal of 43142503541 is 14530524134.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 31100733316 + 12041770225 = 176354^2 + 109735^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-43142503541 is a prime.

It is a super-2 number, since 2×43142503541² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 43142503498 and 43142503507.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (43142503441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21571251770 + 21571251771.

It is an arithmetic number, because the mean of its divisors is an integer number (21571251771).

Almost surely, 2^43142503541 is an apocalyptic number.

It is an amenable number.

43142503541 is a deficient number, since it is larger than the sum of its proper divisors (1).

43142503541 is an equidigital number, since it uses as much as digits as its factorization.

43142503541 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 28800, while the sum is 32.

The spelling of 43142503541 in words is "forty-three billion, one hundred forty-two million, five hundred three thousand, five hundred forty-one".