43450202143 has 2 divisors, whose sum is σ = 43450202144. Its totient is φ = 43450202142.

The previous prime is 43450202137. The next prime is 43450202153. The reversal of 43450202143 is 34120205434.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 43450202143 - 2⁵ = 43450202111 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (43450202153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21725101071 + 21725101072.

It is an arithmetic number, because the mean of its divisors is an integer number (21725101072).

Almost surely, 2^43450202143 is an apocalyptic number.

43450202143 is a deficient number, since it is larger than the sum of its proper divisors (1).

43450202143 is an equidigital number, since it uses as much as digits as its factorization.

43450202143 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11520, while the sum is 28.

Adding to 43450202143 its reverse (34120205434), we get a palindrome (77570407577).

The spelling of 43450202143 in words is "forty-three billion, four hundred fifty million, two hundred two thousand, one hundred forty-three".