143364869 has 2 divisors, whose sum is σ = 143364870. Its totient is φ = 143364868.

The previous prime is 143364847. The next prime is 143364877. The reversal of 143364869 is 968463341.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 72165025 + 71199844 = 8495^2 + 8438^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-143364869 is a prime.

It is a super-3 number, since 3×143364869³ (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (143364829) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71682434 + 71682435.

It is an arithmetic number, because the mean of its divisors is an integer number (71682435).

Almost surely, 2^143364869 is an apocalyptic number.

It is an amenable number.

143364869 is a deficient number, since it is larger than the sum of its proper divisors (1).

143364869 is an equidigital number, since it uses as much as digits as its factorization.

143364869 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 373248, while the sum is 44.

The square root of 143364869 is about 11973.5069632919. The cubic root of 143364869 is about 523.3765347200.

The spelling of 143364869 in words is "one hundred forty-three million, three hundred sixty-four thousand, eight hundred sixty-nine".