145069 has 2 divisors, whose sum is σ = 145070. Its totient is φ = 145068.

The previous prime is 145063. The next prime is 145091. The reversal of 145069 is 960541.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 126025 + 19044 = 355^2 + 138^2 .

It is a cyclic number.

It is not a de Polignac number, because 145069 - 2⁵ = 145037 is a prime.

It is a super-2 number, since 2×145069² = 42090029522, which contains 22 as substring.

145069 is a lucky number.

It is a plaindrome in base 16.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (145063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72534 + 72535.

It is an arithmetic number, because the mean of its divisors is an integer number (72535).

2¹⁴⁵⁰⁶⁹ is an apocalyptic number.

It is an amenable number.

145069 is a deficient number, since it is larger than the sum of its proper divisors (1).

145069 is an equidigital number, since it uses as much as digits as its factorization.

145069 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1080, while the sum is 25.

The square root of 145069 is about 380.8792459560. The cubic root of 145069 is about 52.5442106808.

The spelling of 145069 in words is "one hundred forty-five thousand, sixty-nine".