145593261869 has 8 divisors (see below), whose sum is σ = 159840664608. Its totient is φ = 131514467760.

The previous prime is 145593261841. The next prime is 145593261893. The reversal of 145593261869 is 968162395541.

It is a happy number.

145593261869 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 145593261869 - 2³² = 141298294573 is a prime.

It is a super-2 number, since 2×145593261869² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145593161869) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42150347 + ... + 42153800.

It is an arithmetic number, because the mean of its divisors is an integer number (19980083076).

Almost surely, 2^145593261869 is an apocalyptic number.

It is an amenable number.

145593261869 is a deficient number, since it is larger than the sum of its proper divisors (14247402739).

145593261869 is a wasteful number, since it uses less digits than its factorization.

145593261869 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84304315.

The product of its digits is 13996800, while the sum is 59.

The spelling of 145593261869 in words is "one hundred forty-five billion, five hundred ninety-three million, two hundred sixty-one thousand, eight hundred sixty-nine".