145789223558 has 16 divisors (see below), whose sum is σ = 238572632016. Its totient is φ = 66265482240.

The previous prime is 145789223533. The next prime is 145789223581. The reversal of 145789223558 is 855322987541.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 145789223497 and 145789223506.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 621410 + ... + 823242.

It is an arithmetic number, because the mean of its divisors is an integer number (14910789501).

Almost surely, 2^145789223558 is an apocalyptic number.

145789223558 is a deficient number, since it is larger than the sum of its proper divisors (92783408458).

145789223558 is a wasteful number, since it uses less digits than its factorization.

145789223558 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 234679.

The product of its digits is 24192000, while the sum is 59.

The spelling of 145789223558 in words is "one hundred forty-five billion, seven hundred eighty-nine million, two hundred twenty-three thousand, five hundred fifty-eight".