145733069 has 2 divisors, whose sum is σ = 145733070. Its totient is φ = 145733068.

The previous prime is 145733023. The next prime is 145733089. The reversal of 145733069 is 960337541.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 143688169 + 2044900 = 11987^2 + 1430^2 .

It is a cyclic number.

It is not a de Polignac number, because 145733069 - 2⁸ = 145732813 is a prime.

It is a super-2 number, since 2×145733069² = 42476254800317522, 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 (145733089) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72866534 + 72866535.

It is an arithmetic number, because the mean of its divisors is an integer number (72866535).

Almost surely, 2^145733069 is an apocalyptic number.

It is an amenable number.

145733069 is a deficient number, since it is larger than the sum of its proper divisors (1).

145733069 is an equidigital number, since it uses as much as digits as its factorization.

145733069 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 68040, while the sum is 38.

The square root of 145733069 is about 12071.9952369109. The cubic root of 145733069 is about 526.2426425137.

The spelling of 145733069 in words is "one hundred forty-five million, seven hundred thirty-three thousand, sixty-nine".