146526449 has 2 divisors, whose sum is σ = 146526450. Its totient is φ = 146526448.

The previous prime is 146526437. The next prime is 146526467. The reversal of 146526449 is 944625641.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 143400625 + 3125824 = 11975^2 + 1768^2 .

It is a cyclic number.

It is not a de Polignac number, because 146526449 - 2²⁰ = 145477873 is a prime.

It is not a weakly prime, because it can be changed into another prime (146526409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73263224 + 73263225.

It is an arithmetic number, because the mean of its divisors is an integer number (73263225).

Almost surely, 2^146526449 is an apocalyptic number.

It is an amenable number.

146526449 is a deficient number, since it is larger than the sum of its proper divisors (1).

146526449 is an equidigital number, since it uses as much as digits as its factorization.

146526449 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 207360, while the sum is 41.

The square root of 146526449 is about 12104.8109857197. The cubic root of 146526449 is about 527.1958807934.

The spelling of 146526449 in words is "one hundred forty-six million, five hundred twenty-six thousand, four hundred forty-nine".