143427937 has 2 divisors, whose sum is σ = 143427938. Its totient is φ = 143427936.

The previous prime is 143427923. The next prime is 143427943. The reversal of 143427937 is 739724341.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 88059456 + 55368481 = 9384^2 + 7441^2 .

It is a cyclic number.

It is not a de Polignac number, because 143427937 - 2²³ = 135039329 is a prime.

It is a super-2 number, since 2×143427937² = 41143146224151938, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 143427937.

It is not a weakly prime, because it can be changed into another prime (143427737) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71713968 + 71713969.

It is an arithmetic number, because the mean of its divisors is an integer number (71713969).

Almost surely, 2^143427937 is an apocalyptic number.

It is an amenable number.

143427937 is a deficient number, since it is larger than the sum of its proper divisors (1).

143427937 is an equidigital number, since it uses as much as digits as its factorization.

143427937 is an evil number, because the sum of its binary digits is even.

The product of its digits is 127008, while the sum is 40.

The square root of 143427937 is about 11976.1403214892. The cubic root of 143427937 is about 523.4532700980.

The spelling of 143427937 in words is "one hundred forty-three million, four hundred twenty-seven thousand, nine hundred thirty-seven".