145504927789 has 8 divisors (see below), whose sum is σ = 156863095200. Its totient is φ = 134170400496.

The previous prime is 145504927759. The next prime is 145504927793. The reversal of 145504927789 is 987729405541.

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 145504927789 - 2³³ = 136914993197 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 (145504927739) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5897239 + ... + 5921860.

It is an arithmetic number, because the mean of its divisors is an integer number (19607886900).

Almost surely, 2^145504927789 is an apocalyptic number.

It is an amenable number.

145504927789 is a deficient number, since it is larger than the sum of its proper divisors (11358167411).

145504927789 is a wasteful number, since it uses less digits than its factorization.

145504927789 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11820059.

The product of its (nonzero) digits is 25401600, while the sum is 61.

The spelling of 145504927789 in words is "one hundred forty-five billion, five hundred four million, nine hundred twenty-seven thousand, seven hundred eighty-nine".