146551967 has 2 divisors, whose sum is σ = 146551968. Its totient is φ = 146551966.

The previous prime is 146551961. The next prime is 146551991. The reversal of 146551967 is 769155641.

It is a weak prime.

It is an emirp because it is prime and its reverse (769155641) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 146551967 - 2⁶ = 146551903 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (146551961) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73275983 + 73275984.

It is an arithmetic number, because the mean of its divisors is an integer number (73275984).

Almost surely, 2^146551967 is an apocalyptic number.

146551967 is a deficient number, since it is larger than the sum of its proper divisors (1).

146551967 is an equidigital number, since it uses as much as digits as its factorization.

146551967 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 226800, while the sum is 44.

The square root of 146551967 is about 12105.8649835524. The cubic root of 146551967 is about 527.2264832403.

The spelling of 146551967 in words is "one hundred forty-six million, five hundred fifty-one thousand, nine hundred sixty-seven".