1438145167 has 2 divisors, whose sum is σ = 1438145168. Its totient is φ = 1438145166.

The previous prime is 1438145147. The next prime is 1438145179. The reversal of 1438145167 is 7615418341.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1438145167 - 2¹⁹ = 1437620879 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1438145147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 719072583 + 719072584.

It is an arithmetic number, because the mean of its divisors is an integer number (719072584).

Almost surely, 2^1438145167 is an apocalyptic number.

1438145167 is a deficient number, since it is larger than the sum of its proper divisors (1).

1438145167 is an equidigital number, since it uses as much as digits as its factorization.

1438145167 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 80640, while the sum is 40.

The square root of 1438145167 is about 37922.8844762631. The cubic root of 1438145167 is about 1128.7581750325.

The spelling of 1438145167 in words is "one billion, four hundred thirty-eight million, one hundred forty-five thousand, one hundred sixty-seven".