146653049 has 2 divisors, whose sum is σ = 146653050. Its totient is φ = 146653048.

The previous prime is 146653009. The next prime is 146653081. The reversal of 146653049 is 940356641.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 146410000 + 243049 = 12100^2 + 493^2 .

It is a cyclic number.

It is not a de Polignac number, because 146653049 - 2¹⁶ = 146587513 is a prime.

It is not a weakly prime, because it can be changed into another prime (146653009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73326524 + 73326525.

It is an arithmetic number, because the mean of its divisors is an integer number (73326525).

Almost surely, 2^146653049 is an apocalyptic number.

It is an amenable number.

146653049 is a deficient number, since it is larger than the sum of its proper divisors (1).

146653049 is an equidigital number, since it uses as much as digits as its factorization.

146653049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 77760, while the sum is 38.

The square root of 146653049 is about 12110.0391824304. The cubic root of 146653049 is about 527.3476708765.

The spelling of 146653049 in words is "one hundred forty-six million, six hundred fifty-three thousand, forty-nine".