145682769 has 8 divisors (see below), whose sum is σ = 195250912. Its totient is φ = 96618240.

The previous prime is 145682749. The next prime is 145682783. The reversal of 145682769 is 967286541.

145682769 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 not a de Polignac number, because 145682769 - 2¹¹ = 145680721 is a prime.

It is a super-2 number, since 2×145682769² = 42446938367014722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (145682729) 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, 125227 + ... + 126384.

It is an arithmetic number, because the mean of its divisors is an integer number (24406364).

Almost surely, 2^145682769 is an apocalyptic number.

It is an amenable number.

145682769 is a deficient number, since it is larger than the sum of its proper divisors (49568143).

145682769 is a wasteful number, since it uses less digits than its factorization.

145682769 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 251807.

The product of its digits is 725760, while the sum is 48.

The square root of 145682769 is about 12069.9117229580. The cubic root of 145682769 is about 526.1820910523.

The spelling of 145682769 in words is "one hundred forty-five million, six hundred eighty-two thousand, seven hundred sixty-nine".