145063049 has 2 divisors, whose sum is σ = 145063050. Its totient is φ = 145063048.

The previous prime is 145063031. The next prime is 145063099. The reversal of 145063049 is 940360541.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 79566400 + 65496649 = 8920^2 + 8093^2 .

It is a cyclic number.

It is not a de Polignac number, because 145063049 - 2¹⁶ = 144997513 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (145063019) 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, 72531524 + 72531525.

It is an arithmetic number, because the mean of its divisors is an integer number (72531525).

Almost surely, 2^145063049 is an apocalyptic number.

It is an amenable number.

145063049 is a deficient number, since it is larger than the sum of its proper divisors (1).

145063049 is an equidigital number, since it uses as much as digits as its factorization.

145063049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12960, while the sum is 32.

The square root of 145063049 is about 12044.2122614972. The cubic root of 145063049 is about 525.4349218388.

The spelling of 145063049 in words is "one hundred forty-five million, sixty-three thousand, forty-nine".