146566457 has 2 divisors, whose sum is σ = 146566458. Its totient is φ = 146566456.

The previous prime is 146566439. The next prime is 146566487. The reversal of 146566457 is 754665641.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 99520576 + 47045881 = 9976^2 + 6859^2 .

It is a cyclic number.

It is not a de Polignac number, because 146566457 - 2⁶ = 146566393 is a prime.

It is a super-3 number, since 3×146566457³ (a number of 25 digits) contains 333 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (146566487) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73283228 + 73283229.

It is an arithmetic number, because the mean of its divisors is an integer number (73283229).

Almost surely, 2^146566457 is an apocalyptic number.

It is an amenable number.

146566457 is a deficient number, since it is larger than the sum of its proper divisors (1).

146566457 is an equidigital number, since it uses as much as digits as its factorization.

146566457 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 604800, while the sum is 44.

The square root of 146566457 is about 12106.4634390065. The cubic root of 146566457 is about 527.2438587832.

The spelling of 146566457 in words is "one hundred forty-six million, five hundred sixty-six thousand, four hundred fifty-seven".