145111523 has 2 divisors, whose sum is σ = 145111524. Its totient is φ = 145111522.

The previous prime is 145111487. The next prime is 145111537. The reversal of 145111523 is 325111541.

145111523 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is an emirp because it is prime and its reverse (325111541) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 145111523 - 2⁶ = 145111459 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (145111553) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72555761 + 72555762.

It is an arithmetic number, because the mean of its divisors is an integer number (72555762).

Almost surely, 2^145111523 is an apocalyptic number.

145111523 is a deficient number, since it is larger than the sum of its proper divisors (1).

145111523 is an equidigital number, since it uses as much as digits as its factorization.

145111523 is an evil number, because the sum of its binary digits is even.

The product of its digits is 600, while the sum is 23.

The square root of 145111523 is about 12046.2244292558. The cubic root of 145111523 is about 525.4934414414.

The spelling of 145111523 in words is "one hundred forty-five million, one hundred eleven thousand, five hundred twenty-three".