146020961 has 2 divisors, whose sum is σ = 146020962. Its totient is φ = 146020960.

The previous prime is 146020933. The next prime is 146020999. The reversal of 146020961 is 169020641.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 122788561 + 23232400 = 11081^2 + 4820^2 .

It is a cyclic number.

It is not a de Polignac number, because 146020961 - 2¹⁸ = 145758817 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a weakly prime.

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, 73010480 + 73010481.

It is an arithmetic number, because the mean of its divisors is an integer number (73010481).

Almost surely, 2^146020961 is an apocalyptic number.

It is an amenable number.

146020961 is a deficient number, since it is larger than the sum of its proper divisors (1).

146020961 is an equidigital number, since it uses as much as digits as its factorization.

146020961 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2592, while the sum is 29.

The square root of 146020961 is about 12083.9133148165. The cubic root of 146020961 is about 526.5889409323.

The spelling of 146020961 in words is "one hundred forty-six million, twenty thousand, nine hundred sixty-one".