146047553 has 2 divisors, whose sum is σ = 146047554. Its totient is φ = 146047552.

The previous prime is 146047529. The next prime is 146047571. The reversal of 146047553 is 355740641.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 103693489 + 42354064 = 10183^2 + 6508^2 .

It is a cyclic number.

It is not a de Polignac number, because 146047553 - 2²⁰ = 144998977 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (146047513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73023776 + 73023777.

It is an arithmetic number, because the mean of its divisors is an integer number (73023777).

Almost surely, 2^146047553 is an apocalyptic number.

It is an amenable number.

146047553 is a deficient number, since it is larger than the sum of its proper divisors (1).

146047553 is an equidigital number, since it uses as much as digits as its factorization.

146047553 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 50400, while the sum is 35.

The square root of 146047553 is about 12085.0135705344. The cubic root of 146047553 is about 526.6209048437.

The spelling of 146047553 in words is "one hundred forty-six million, forty-seven thousand, five hundred fifty-three".