146069971 has 2 divisors, whose sum is σ = 146069972. Its totient is φ = 146069970.

The previous prime is 146069953. The next prime is 146070049. The reversal of 146069971 is 179960641.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 146069971 - 2¹¹ = 146067923 is a prime.

It is not a weakly prime, because it can be changed into another prime (146069951) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73034985 + 73034986.

It is an arithmetic number, because the mean of its divisors is an integer number (73034986).

Almost surely, 2^146069971 is an apocalyptic number.

146069971 is a deficient number, since it is larger than the sum of its proper divisors (1).

146069971 is an equidigital number, since it uses as much as digits as its factorization.

146069971 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 81648, while the sum is 43.

The square root of 146069971 is about 12085.9410473492. The cubic root of 146069971 is about 526.6478485416.

The spelling of 146069971 in words is "one hundred forty-six million, sixty-nine thousand, nine hundred seventy-one".