145489523827 has 2 divisors, whose sum is σ = 145489523828. Its totient is φ = 145489523826.

The previous prime is 145489523819. The next prime is 145489523863. The reversal of 145489523827 is 728325984541.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 145489523827 - 2³ = 145489523819 is a prime.

It is not a weakly prime, because it can be changed into another prime (145489523867) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72744761913 + 72744761914.

It is an arithmetic number, because the mean of its divisors is an integer number (72744761914).

Almost surely, 2^145489523827 is an apocalyptic number.

145489523827 is a deficient number, since it is larger than the sum of its proper divisors (1).

145489523827 is an equidigital number, since it uses as much as digits as its factorization.

145489523827 is an evil number, because the sum of its binary digits is even.

The product of its digits is 19353600, while the sum is 58.

The spelling of 145489523827 in words is "one hundred forty-five billion, four hundred eighty-nine million, five hundred twenty-three thousand, eight hundred twenty-seven".