146249449 has 2 divisors, whose sum is σ = 146249450. Its totient is φ = 146249448.

The previous prime is 146249437. The next prime is 146249471. The reversal of 146249449 is 944942641.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 132411049 + 13838400 = 11507^2 + 3720^2 .

It is a cyclic number.

It is not a de Polignac number, because 146249449 - 2¹⁷ = 146118377 is a prime.

It is not a weakly prime, because it can be changed into another prime (146249429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73124724 + 73124725.

It is an arithmetic number, because the mean of its divisors is an integer number (73124725).

Almost surely, 2^146249449 is an apocalyptic number.

It is an amenable number.

146249449 is a deficient number, since it is larger than the sum of its proper divisors (1).

146249449 is an equidigital number, since it uses as much as digits as its factorization.

146249449 is an evil number, because the sum of its binary digits is even.

The product of its digits is 248832, while the sum is 43.

The square root of 146249449 is about 12093.3638413801. The cubic root of 146249449 is about 526.8634598567.

The spelling of 146249449 in words is "one hundred forty-six million, two hundred forty-nine thousand, four hundred forty-nine".