146322641 has 2 divisors, whose sum is σ = 146322642. Its totient is φ = 146322640.

The previous prime is 146322637. The next prime is 146322653. The reversal of 146322641 is 146223641.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 123321025 + 23001616 = 11105^2 + 4796^2 .

It is a cyclic number.

It is not a de Polignac number, because 146322641 - 2² = 146322637 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (146322691) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73161320 + 73161321.

It is an arithmetic number, because the mean of its divisors is an integer number (73161321).

Almost surely, 2^146322641 is an apocalyptic number.

It is an amenable number.

146322641 is a deficient number, since it is larger than the sum of its proper divisors (1).

146322641 is an equidigital number, since it uses as much as digits as its factorization.

146322641 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6912, while the sum is 29.

The square root of 146322641 is about 12096.3895853267. The cubic root of 146322641 is about 526.9513365620.

The spelling of 146322641 in words is "one hundred forty-six million, three hundred twenty-two thousand, six hundred forty-one".