143574303749 has 2 divisors, whose sum is σ = 143574303750. Its totient is φ = 143574303748.

The previous prime is 143574303701. The next prime is 143574303751. The reversal of 143574303749 is 947303475341.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 110584846849 + 32989456900 = 332543^2 + 181630^2 .

It is a cyclic number.

It is not a de Polignac number, because 143574303749 - 2⁸ = 143574303493 is a prime.

It is a super-2 number, since 2×143574303749² (a number of 23 digits) contains 22 as substring.

Together with 143574303751, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 143574303697 and 143574303706.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (143574303449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71787151874 + 71787151875.

It is an arithmetic number, because the mean of its divisors is an integer number (71787151875).

Almost surely, 2^143574303749 is an apocalyptic number.

It is an amenable number.

143574303749 is a deficient number, since it is larger than the sum of its proper divisors (1).

143574303749 is an equidigital number, since it uses as much as digits as its factorization.

143574303749 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3810240, while the sum is 50.

The spelling of 143574303749 in words is "one hundred forty-three billion, five hundred seventy-four million, three hundred three thousand, seven hundred forty-nine".