146352469 has 2 divisors, whose sum is σ = 146352470. Its totient is φ = 146352468.

The previous prime is 146352467. The next prime is 146352491. The reversal of 146352469 is 964253641.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 124590244 + 21762225 = 11162^2 + 4665^2 .

It is a cyclic number.

It is not a de Polignac number, because 146352469 - 2¹ = 146352467 is a prime.

It is a super-2 number, since 2×146352469² = 42838090364791922, which contains 22 as substring.

Together with 146352467, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (146352467) 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, 73176234 + 73176235.

It is an arithmetic number, because the mean of its divisors is an integer number (73176235).

Almost surely, 2^146352469 is an apocalyptic number.

It is an amenable number.

146352469 is a deficient number, since it is larger than the sum of its proper divisors (1).

146352469 is an equidigital number, since it uses as much as digits as its factorization.

146352469 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 155520, while the sum is 40.

The square root of 146352469 is about 12097.6224523664. The cubic root of 146352469 is about 526.9871406282.

The spelling of 146352469 in words is "one hundred forty-six million, three hundred fifty-two thousand, four hundred sixty-nine".