145845559 has 8 divisors (see below), whose sum is σ = 151761600. Its totient is φ = 140046816.

The previous prime is 145845547. The next prime is 145845563. The reversal of 145845559 is 955548541.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 145845559 - 2¹⁹ = 145321271 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145845509) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26784 + ... + 31765.

It is an arithmetic number, because the mean of its divisors is an integer number (18970200).

Almost surely, 2^145845559 is an apocalyptic number.

145845559 is a deficient number, since it is larger than the sum of its proper divisors (5916041).

145845559 is an equidigital number, since it uses as much as digits as its factorization.

145845559 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58649.

The product of its digits is 720000, while the sum is 46.

The square root of 145845559 is about 12076.6534685732. The cubic root of 145845559 is about 526.3780082903.

The spelling of 145845559 in words is "one hundred forty-five million, eight hundred forty-five thousand, five hundred fifty-nine".