145575113 has 2 divisors, whose sum is σ = 145575114. Its totient is φ = 145575112.

The previous prime is 145575107. The next prime is 145575127. The reversal of 145575113 is 311575541.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 145274809 + 300304 = 12053^2 + 548^2 .

It is a cyclic number.

It is not a de Polignac number, because 145575113 - 2⁶ = 145575049 is a prime.

It is a super-2 number, since 2×145575113² = 42384227049925538, 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 145575113.

It is not a weakly prime, because it can be changed into another prime (145575173) 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, 72787556 + 72787557.

It is an arithmetic number, because the mean of its divisors is an integer number (72787557).

Almost surely, 2^145575113 is an apocalyptic number.

It is an amenable number.

145575113 is a deficient number, since it is larger than the sum of its proper divisors (1).

145575113 is an equidigital number, since it uses as much as digits as its factorization.

145575113 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10500, while the sum is 32.

The square root of 145575113 is about 12065.4512141072. The cubic root of 145575113 is about 526.0524472177.

The spelling of 145575113 in words is "one hundred forty-five million, five hundred seventy-five thousand, one hundred thirteen".