7145867 has 2 divisors, whose sum is σ = 7145868. Its totient is φ = 7145866.

The previous prime is 7145863. The next prime is 7145917. The reversal of 7145867 is 7685417.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 7145867 - 2² = 7145863 is a prime.

It is a Chen prime.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 7145867.

It is not a weakly prime, because it can be changed into another prime (7145863) 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, 3572933 + 3572934.

It is an arithmetic number, because the mean of its divisors is an integer number (3572934).

Almost surely, 2^7145867 is an apocalyptic number.

7145867 is a deficient number, since it is larger than the sum of its proper divisors (1).

7145867 is an equidigital number, since it uses as much as digits as its factorization.

7145867 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 47040, while the sum is 38.

The square root of 7145867 is about 2673.1754525283. The cubic root of 7145867 is about 192.6127253412.

The spelling of 7145867 in words is "seven million, one hundred forty-five thousand, eight hundred sixty-seven".