145452113 has 2 divisors, whose sum is σ = 145452114. Its totient is φ = 145452112.

The previous prime is 145452089. The next prime is 145452137. The reversal of 145452113 is 311254541.

It is a balanced prime because it is at equal distance from previous prime (145452089) and next prime (145452137).

It can be written as a sum of positive squares in only one way, i.e., 127870864 + 17581249 = 11308^2 + 4193^2 .

It is a cyclic number.

It is not a de Polignac number, because 145452113 - 2⁸ = 145451857 is a prime.

It is not a weakly prime, because it can be changed into another prime (145457113) 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, 72726056 + 72726057.

It is an arithmetic number, because the mean of its divisors is an integer number (72726057).

Almost surely, 2^145452113 is an apocalyptic number.

It is an amenable number.

145452113 is a deficient number, since it is larger than the sum of its proper divisors (1).

145452113 is an equidigital number, since it uses as much as digits as its factorization.

145452113 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2400, while the sum is 26.

The square root of 145452113 is about 12060.3529384508. The cubic root of 145452113 is about 525.9042472457.

The spelling of 145452113 in words is "one hundred forty-five million, four hundred fifty-two thousand, one hundred thirteen".