145555819585 has 16 divisors (see below), whose sum is σ = 198830401920. Its totient is φ = 101256221440.

The previous prime is 145555819531. The next prime is 145555819681. The reversal of 145555819585 is 585918555541.

It is not a de Polignac number, because 145555819585 - 2¹³ = 145555811393 is a prime.

It is a super-2 number, since 2×145555819585² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 57530680 + ... + 57533209.

It is an arithmetic number, because the mean of its divisors is an integer number (12426900120).

Almost surely, 2^145555819585 is an apocalyptic number.

It is an amenable number.

145555819585 is a deficient number, since it is larger than the sum of its proper divisors (53274582335).

145555819585 is a wasteful number, since it uses less digits than its factorization.

145555819585 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115063928.

The product of its digits is 36000000, while the sum is 61.

The spelling of 145555819585 in words is "one hundred forty-five billion, five hundred fifty-five million, eight hundred nineteen thousand, five hundred eighty-five".