145769723 has 8 divisors (see below), whose sum is σ = 159216960. Its totient is φ = 132355080.

The previous prime is 145769683. The next prime is 145769737. The reversal of 145769723 is 327967541.

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

It is not a de Polignac number, because 145769723 - 2⁸ = 145769467 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (145769753) 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, 1736 + ... + 17162.

It is an arithmetic number, because the mean of its divisors is an integer number (19902120).

Almost surely, 2^145769723 is an apocalyptic number.

145769723 is a deficient number, since it is larger than the sum of its proper divisors (13447237).

145769723 is a wasteful number, since it uses less digits than its factorization.

145769723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16297.

The product of its digits is 317520, while the sum is 44.

The square root of 145769723 is about 12073.5132832163. The cubic root of 145769723 is about 526.2867580578.

The spelling of 145769723 in words is "one hundred forty-five million, seven hundred sixty-nine thousand, seven hundred twenty-three".