145095817 has 2 divisors, whose sum is σ = 145095818. Its totient is φ = 145095816.

The previous prime is 145095793. The next prime is 145095823. The reversal of 145095817 is 718590541.

It is a happy number.

145095817 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 106419856 + 38675961 = 10316^2 + 6219^2 .

It is a cyclic number.

It is not a de Polignac number, because 145095817 - 2¹¹ = 145093769 is a prime.

It is a super-2 number, since 2×145095817² = 42105592221794978, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 145095817.

It is not a weakly prime, because it can be changed into another prime (145095877) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72547908 + 72547909.

It is an arithmetic number, because the mean of its divisors is an integer number (72547909).

Almost surely, 2^145095817 is an apocalyptic number.

It is an amenable number.

145095817 is a deficient number, since it is larger than the sum of its proper divisors (1).

145095817 is an equidigital number, since it uses as much as digits as its factorization.

145095817 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 50400, while the sum is 40.

The square root of 145095817 is about 12045.5725061119. The cubic root of 145095817 is about 525.4744820057.

The spelling of 145095817 in words is "one hundred forty-five million, ninety-five thousand, eight hundred seventeen".