146045441 has 2 divisors, whose sum is σ = 146045442. Its totient is φ = 146045440.

The previous prime is 146045429. The next prime is 146045443. The reversal of 146045441 is 144540641.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 145709041 + 336400 = 12071^2 + 580^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-146045441 is a prime.

Together with 146045443, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (146045443) 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, 73022720 + 73022721.

It is an arithmetic number, because the mean of its divisors is an integer number (73022721).

Almost surely, 2^146045441 is an apocalyptic number.

It is an amenable number.

146045441 is a deficient number, since it is larger than the sum of its proper divisors (1).

146045441 is an equidigital number, since it uses as much as digits as its factorization.

146045441 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7680, while the sum is 29.

The square root of 146045441 is about 12084.9261892657. The cubic root of 146045441 is about 526.6183663355.

The spelling of 146045441 in words is "one hundred forty-six million, forty-five thousand, four hundred forty-one".