145034069 has 2 divisors, whose sum is σ = 145034070. Its totient is φ = 145034068.

The previous prime is 145034063. The next prime is 145034077. The reversal of 145034069 is 960430541.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 91202500 + 53831569 = 9550^2 + 7337^2 .

It is a cyclic number.

It is not a de Polignac number, because 145034069 - 2⁴ = 145034053 is a prime.

It is a super-2 number, since 2×145034069² = 42069762341393522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (145034063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72517034 + 72517035.

It is an arithmetic number, because the mean of its divisors is an integer number (72517035).

Almost surely, 2^145034069 is an apocalyptic number.

It is an amenable number.

145034069 is a deficient number, since it is larger than the sum of its proper divisors (1).

145034069 is an equidigital number, since it uses as much as digits as its factorization.

145034069 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12960, while the sum is 32.

The square root of 145034069 is about 12043.0091339333. The cubic root of 145034069 is about 525.3999298859.

The spelling of 145034069 in words is "one hundred forty-five million, thirty-four thousand, sixty-nine".