143313377 has 2 divisors, whose sum is σ = 143313378. Its totient is φ = 143313376.

The previous prime is 143313319. The next prime is 143313397. The reversal of 143313377 is 773313341.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 93624976 + 49688401 = 9676^2 + 7049^2 .

It is a cyclic number.

It is not a de Polignac number, because 143313377 - 2²² = 139119073 is a prime.

It is a Chen prime.

It is equal to p_8088800 and since 143313377 and 8088800 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (143313397) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71656688 + 71656689.

It is an arithmetic number, because the mean of its divisors is an integer number (71656689).

Almost surely, 2^143313377 is an apocalyptic number.

It is an amenable number.

143313377 is a deficient number, since it is larger than the sum of its proper divisors (1).

143313377 is an equidigital number, since it uses as much as digits as its factorization.

143313377 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15876, while the sum is 32.

The square root of 143313377 is about 11971.3565229676. The cubic root of 143313377 is about 523.3138672715.

The spelling of 143313377 in words is "one hundred forty-three million, three hundred thirteen thousand, three hundred seventy-seven".