145660667 has 2 divisors, whose sum is σ = 145660668. Its totient is φ = 145660666.

The previous prime is 145660663. The next prime is 145660673. The reversal of 145660667 is 766066541.

It is a weak prime.

It is an emirp because it is prime and its reverse (766066541) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 145660667 - 2² = 145660663 is a prime.

It is not a weakly prime, because it can be changed into another prime (145660663) 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, 72830333 + 72830334.

It is an arithmetic number, because the mean of its divisors is an integer number (72830334).

Almost surely, 2^145660667 is an apocalyptic number.

145660667 is a deficient number, since it is larger than the sum of its proper divisors (1).

145660667 is an equidigital number, since it uses as much as digits as its factorization.

145660667 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 181440, while the sum is 41.

The square root of 145660667 is about 12068.9961057248. The cubic root of 145660667 is about 526.1554801158.

The spelling of 145660667 in words is "one hundred forty-five million, six hundred sixty thousand, six hundred sixty-seven".