146560069 has 2 divisors, whose sum is σ = 146560070. Its totient is φ = 146560068.

The previous prime is 146560061. The next prime is 146560079. The reversal of 146560069 is 960065641.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 127983969 + 18576100 = 11313^2 + 4310^2 .

It is a cyclic number.

It is not a de Polignac number, because 146560069 - 2³ = 146560061 is a prime.

It is a super-2 number, since 2×146560069² = 42959707650569522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (146560061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73280034 + 73280035.

It is an arithmetic number, because the mean of its divisors is an integer number (73280035).

Almost surely, 2^146560069 is an apocalyptic number.

It is an amenable number.

146560069 is a deficient number, since it is larger than the sum of its proper divisors (1).

146560069 is an equidigital number, since it uses as much as digits as its factorization.

146560069 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 38880, while the sum is 37.

The square root of 146560069 is about 12106.1996101171. The cubic root of 146560069 is about 527.2361988161.

The spelling of 146560069 in words is "one hundred forty-six million, five hundred sixty thousand, sixty-nine".