146969441 has 2 divisors, whose sum is σ = 146969442. Its totient is φ = 146969440.

The previous prime is 146969393. The next prime is 146969479. The reversal of 146969441 is 144969641.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 133980625 + 12988816 = 11575^2 + 3604^2 .

It is a cyclic number.

It is not a de Polignac number, because 146969441 - 2⁶ = 146969377 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 146969392 and 146969401.

It is not a weakly prime, because it can be changed into another prime (146969491) 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, 73484720 + 73484721.

It is an arithmetic number, because the mean of its divisors is an integer number (73484721).

Almost surely, 2^146969441 is an apocalyptic number.

It is an amenable number.

146969441 is a deficient number, since it is larger than the sum of its proper divisors (1).

146969441 is an equidigital number, since it uses as much as digits as its factorization.

146969441 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 186624, while the sum is 44.

The square root of 146969441 is about 12123.0953555600. The cubic root of 146969441 is about 527.7266350181.

The spelling of 146969441 in words is "one hundred forty-six million, nine hundred sixty-nine thousand, four hundred forty-one".