146456069 has 2 divisors, whose sum is σ = 146456070. Its totient is φ = 146456068.

The previous prime is 146456053. The next prime is 146456077. The reversal of 146456069 is 960654641.

146456069 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 142515844 + 3940225 = 11938^2 + 1985^2 .

It is a cyclic number.

It is not a de Polignac number, because 146456069 - 2⁴ = 146456053 is a prime.

It is a super-2 number, since 2×146456069² = 42898760293865522, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (146456029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73228034 + 73228035.

It is an arithmetic number, because the mean of its divisors is an integer number (73228035).

Almost surely, 2^146456069 is an apocalyptic number.

It is an amenable number.

146456069 is a deficient number, since it is larger than the sum of its proper divisors (1).

146456069 is an equidigital number, since it uses as much as digits as its factorization.

146456069 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 155520, while the sum is 41.

The square root of 146456069 is about 12101.9035279579. The cubic root of 146456069 is about 527.1114592014. Note that the first 3 decimals are identical.

The spelling of 146456069 in words is "one hundred forty-six million, four hundred fifty-six thousand, sixty-nine".