145243025111 has 4 divisors (see below), whose sum is σ = 145251231552. Its totient is φ = 145234818672.

The previous prime is 145243025107. The next prime is 145243025119. The reversal of 145243025111 is 111520342541.

It is a happy number.

145243025111 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 111520342541 = 97 ⋅1149694253.

It is a cyclic number.

It is not a de Polignac number, because 145243025111 - 2² = 145243025107 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145243025119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4076615 + ... + 4112088.

It is an arithmetic number, because the mean of its divisors is an integer number (36312807888).

Almost surely, 2^145243025111 is an apocalyptic number.

145243025111 is a deficient number, since it is larger than the sum of its proper divisors (8206441).

145243025111 is an equidigital number, since it uses as much as digits as its factorization.

145243025111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8206440.

The product of its (nonzero) digits is 4800, while the sum is 29.

Adding to 145243025111 its reverse (111520342541), we get a palindrome (256763367652).

The spelling of 145243025111 in words is "one hundred forty-five billion, two hundred forty-three million, twenty-five thousand, one hundred eleven".