146273089 has 2 divisors, whose sum is σ = 146273090. Its totient is φ = 146273088.

The previous prime is 146273051. The next prime is 146273131. The reversal of 146273089 is 980372641.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 90098064 + 56175025 = 9492^2 + 7495^2 .

It is a cyclic number.

It is not a de Polignac number, because 146273089 - 2¹³ = 146264897 is a prime.

It is not a weakly prime, because it can be changed into another prime (146273789) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73136544 + 73136545.

It is an arithmetic number, because the mean of its divisors is an integer number (73136545).

Almost surely, 2^146273089 is an apocalyptic number.

It is an amenable number.

146273089 is a deficient number, since it is larger than the sum of its proper divisors (1).

146273089 is an equidigital number, since it uses as much as digits as its factorization.

146273089 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72576, while the sum is 40.

The square root of 146273089 is about 12094.3411974361. The cubic root of 146273089 is about 526.8918460176.

The spelling of 146273089 in words is "one hundred forty-six million, two hundred seventy-three thousand, eighty-nine".