146064649 has 2 divisors, whose sum is σ = 146064650. Its totient is φ = 146064648.

The previous prime is 146064587. The next prime is 146064689. The reversal of 146064649 is 946460641.

It is an a-pointer prime, because the next prime (146064689) can be obtained adding 146064649 to its sum of digits (40).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 146047225 + 17424 = 12085^2 + 132^2 .

It is a cyclic number.

It is not a de Polignac number, because 146064649 - 2¹¹ = 146062601 is a prime.

It is not a weakly prime, because it can be changed into another prime (146064689) 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, 73032324 + 73032325.

It is an arithmetic number, because the mean of its divisors is an integer number (73032325).

Almost surely, 2^146064649 is an apocalyptic number.

It is an amenable number.

146064649 is a deficient number, since it is larger than the sum of its proper divisors (1).

146064649 is an equidigital number, since it uses as much as digits as its factorization.

146064649 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 124416, while the sum is 40.

The square root of 146064649 is about 12085.7208721698. The cubic root of 146064649 is about 526.6414523972.

The spelling of 146064649 in words is "one hundred forty-six million, sixty-four thousand, six hundred forty-nine".