145804667 has 2 divisors, whose sum is σ = 145804668. Its totient is φ = 145804666.

The previous prime is 145804661. The next prime is 145804693. The reversal of 145804667 is 766408541.

It is a weak prime.

It is an emirp because it is prime and its reverse (766408541) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 145804667 - 2¹⁶ = 145739131 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (145804661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72902333 + 72902334.

It is an arithmetic number, because the mean of its divisors is an integer number (72902334).

Almost surely, 2^145804667 is an apocalyptic number.

145804667 is a deficient number, since it is larger than the sum of its proper divisors (1).

145804667 is an equidigital number, since it uses as much as digits as its factorization.

145804667 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 161280, while the sum is 41.

The square root of 145804667 is about 12074.9603311978. The cubic root of 145804667 is about 526.3288086171.

The spelling of 145804667 in words is "one hundred forty-five million, eight hundred four thousand, six hundred sixty-seven".