145892269 has 2 divisors, whose sum is σ = 145892270. Its totient is φ = 145892268.

The previous prime is 145892261. The next prime is 145892281. The reversal of 145892269 is 962298541.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 120187369 + 25704900 = 10963^2 + 5070^2 .

It is a cyclic number.

It is not a de Polignac number, because 145892269 - 2³ = 145892261 is a prime.

It is a super-2 number, since 2×145892269² = 42569108307936722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (145892261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72946134 + 72946135.

It is an arithmetic number, because the mean of its divisors is an integer number (72946135).

Almost surely, 2^145892269 is an apocalyptic number.

It is an amenable number.

145892269 is a deficient number, since it is larger than the sum of its proper divisors (1).

145892269 is an equidigital number, since it uses as much as digits as its factorization.

145892269 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 311040, while the sum is 46.

The square root of 145892269 is about 12078.5872104315. The cubic root of 145892269 is about 526.4341967053.

The spelling of 145892269 in words is "one hundred forty-five million, eight hundred ninety-two thousand, two hundred sixty-nine".