145113243 has 12 divisors (see below), whose sum is σ = 212673384. Its totient is φ = 87947200.

The previous prime is 145113229. The next prime is 145113257. The reversal of 145113243 is 342311541.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (145113229) and next prime (145113257).

It is not a de Polignac number, because 145113243 - 2⁶ = 145113179 is a prime.

It is not an unprimeable number, because it can be changed into a prime (145113043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 199518 + ... + 200243.

It is an arithmetic number, because the mean of its divisors is an integer number (17722782).

Almost surely, 2^145113243 is an apocalyptic number.

145113243 is a deficient number, since it is larger than the sum of its proper divisors (67560141).

145113243 is a wasteful number, since it uses less digits than its factorization.

145113243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 399786 (or 399775 counting only the distinct ones).

The product of its digits is 1440, while the sum is 24.

The square root of 145113243 is about 12046.2958207077. The cubic root of 145113243 is about 525.4955176495.

Adding to 145113243 its reverse (342311541), we get a palindrome (487424784).

The spelling of 145113243 in words is "one hundred forty-five million, one hundred thirteen thousand, two hundred forty-three".