145222004827 has 2 divisors, whose sum is σ = 145222004828. Its totient is φ = 145222004826.

The previous prime is 145222004819. The next prime is 145222004833. The reversal of 145222004827 is 728400222541.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 145222004827 - 2³ = 145222004819 is a prime.

It is a super-2 number, since 2×145222004827² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (145222004927) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72611002413 + 72611002414.

It is an arithmetic number, because the mean of its divisors is an integer number (72611002414).

Almost surely, 2^145222004827 is an apocalyptic number.

145222004827 is a deficient number, since it is larger than the sum of its proper divisors (1).

145222004827 is an equidigital number, since it uses as much as digits as its factorization.

145222004827 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 71680, while the sum is 37.

The spelling of 145222004827 in words is "one hundred forty-five billion, two hundred twenty-two million, four thousand, eight hundred twenty-seven".