146043553 has 2 divisors, whose sum is σ = 146043554. Its totient is φ = 146043552.

The previous prime is 146043533. The next prime is 146043559. The reversal of 146043553 is 355340641.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 145154304 + 889249 = 12048^2 + 943^2 .

It is a cyclic number.

It is not a de Polignac number, because 146043553 - 2⁹ = 146043041 is a prime.

It is not a weakly prime, because it can be changed into another prime (146043559) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73021776 + 73021777.

It is an arithmetic number, because the mean of its divisors is an integer number (73021777).

Almost surely, 2^146043553 is an apocalyptic number.

It is an amenable number.

146043553 is a deficient number, since it is larger than the sum of its proper divisors (1).

146043553 is an equidigital number, since it uses as much as digits as its factorization.

146043553 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21600, while the sum is 31.

The square root of 146043553 is about 12084.8480751725. The cubic root of 146043553 is about 526.6160970424.

The spelling of 146043553 in words is "one hundred forty-six million, forty-three thousand, five hundred fifty-three".