145512097 has 2 divisors, whose sum is σ = 145512098. Its totient is φ = 145512096.

The previous prime is 145512079. The next prime is 145512121. The reversal of 145512097 is 790215541.

Together with previous prime (145512079) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 137452176 + 8059921 = 11724^2 + 2839^2 .

It is an emirp because it is prime and its reverse (790215541) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 145512097 - 2⁷ = 145511969 is a prime.

It is not a weakly prime, because it can be changed into another prime (145512067) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72756048 + 72756049.

It is an arithmetic number, because the mean of its divisors is an integer number (72756049).

Almost surely, 2^145512097 is an apocalyptic number.

It is an amenable number.

145512097 is a deficient number, since it is larger than the sum of its proper divisors (1).

145512097 is an equidigital number, since it uses as much as digits as its factorization.

145512097 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12600, while the sum is 34.

The square root of 145512097 is about 12062.8395081755. The cubic root of 145512097 is about 525.9765310699.

The spelling of 145512097 in words is "one hundred forty-five million, five hundred twelve thousand, ninety-seven".