145413113 has 2 divisors, whose sum is σ = 145413114. Its totient is φ = 145413112.

The previous prime is 145413083. The next prime is 145413119. The reversal of 145413113 is 311314541.

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., 145250704 + 162409 = 12052^2 + 403^2 .

It is a cyclic number.

It is not a de Polignac number, because 145413113 - 2⁸ = 145412857 is a prime.

It is a super-3 number, since 3×145413113³ (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Sophie Germain prime.

It is a Curzon number.

It is a zygodrome in base 9.

It is not a weakly prime, because it can be changed into another prime (145413119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72706556 + 72706557.

It is an arithmetic number, because the mean of its divisors is an integer number (72706557).

Almost surely, 2^145413113 is an apocalyptic number.

It is an amenable number.

145413113 is a deficient number, since it is larger than the sum of its proper divisors (1).

145413113 is an equidigital number, since it uses as much as digits as its factorization.

145413113 is an evil number, because the sum of its binary digits is even.

The product of its digits is 720, while the sum is 23.

The square root of 145413113 is about 12058.7359619489. The cubic root of 145413113 is about 525.8572395659.

Adding to 145413113 its reverse (311314541), we get a palindrome (456727654).

The spelling of 145413113 in words is "one hundred forty-five million, four hundred thirteen thousand, one hundred thirteen".