145585141 has 8 divisors (see below), whose sum is σ = 158932760. Its totient is φ = 132544512.

The previous prime is 145585129. The next prime is 145585159. The reversal of 145585141 is 141585541.

It can be written as a sum of positive squares in 4 ways, for example, as 26316900 + 119268241 = 5130^2 + 10921^2 .

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 145585141 - 2⁵ = 145585109 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 145585097 and 145585106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145585441) by changing a digit.

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, 75756 + ... + 77653.

It is an arithmetic number, because the mean of its divisors is an integer number (19866595).

Almost surely, 2^145585141 is an apocalyptic number.

It is an amenable number.

145585141 is a deficient number, since it is larger than the sum of its proper divisors (13347619).

145585141 is a wasteful number, since it uses less digits than its factorization.

145585141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153495.

The product of its digits is 16000, while the sum is 34.

The square root of 145585141 is about 12065.8667736719. The cubic root of 145585141 is about 526.0645260516.

The spelling of 145585141 in words is "one hundred forty-five million, five hundred eighty-five thousand, one hundred forty-one".