145220086519 has 2 divisors, whose sum is σ = 145220086520. Its totient is φ = 145220086518.

The previous prime is 145220086513. The next prime is 145220086537. The reversal of 145220086519 is 915680022541.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 145220086519 - 2⁹ = 145220086007 is a prime.

It is a super-2 number, since 2×145220086519² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (145220086513) 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, 72610043259 + 72610043260.

It is an arithmetic number, because the mean of its divisors is an integer number (72610043260).

Almost surely, 2^145220086519 is an apocalyptic number.

145220086519 is a deficient number, since it is larger than the sum of its proper divisors (1).

145220086519 is an equidigital number, since it uses as much as digits as its factorization.

145220086519 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 172800, while the sum is 43.

The spelling of 145220086519 in words is "one hundred forty-five billion, two hundred twenty million, eighty-six thousand, five hundred nineteen".