145314269 has 2 divisors, whose sum is σ = 145314270. Its totient is φ = 145314268.

The previous prime is 145314263. The next prime is 145314293. The reversal of 145314269 is 962413541.

145314269 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 105308644 + 40005625 = 10262^2 + 6325^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-145314269 is a prime.

It is a super-2 number, since 2×145314269² = 42232473550008722, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (145314263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72657134 + 72657135.

It is an arithmetic number, because the mean of its divisors is an integer number (72657135).

Almost surely, 2^145314269 is an apocalyptic number.

It is an amenable number.

145314269 is a deficient number, since it is larger than the sum of its proper divisors (1).

145314269 is an equidigital number, since it uses as much as digits as its factorization.

145314269 is an evil number, because the sum of its binary digits is even.

The product of its digits is 25920, while the sum is 35.

The square root of 145314269 is about 12054.6368257198. The cubic root of 145314269 is about 525.7380627516.

The spelling of 145314269 in words is "one hundred forty-five million, three hundred fourteen thousand, two hundred sixty-nine".