145794517 has 8 divisors (see below), whose sum is σ = 162433152. Its totient is φ = 129720000.

The previous prime is 145794491. The next prime is 145794557. The reversal of 145794517 is 715497541.

It is a happy number.

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

It is a de Polignac number, because none of the positive numbers 2^k-145794517 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 (145794557) 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, 140484 + ... + 141517.

It is an arithmetic number, because the mean of its divisors is an integer number (20304144).

Almost surely, 2^145794517 is an apocalyptic number.

It is an amenable number.

145794517 is a deficient number, since it is larger than the sum of its proper divisors (16638635).

145794517 is a wasteful number, since it uses less digits than its factorization.

145794517 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 282059.

The product of its digits is 176400, while the sum is 43.

The square root of 145794517 is about 12074.5400326472. The cubic root of 145794517 is about 526.3165951046.

The spelling of 145794517 in words is "one hundred forty-five million, seven hundred ninety-four thousand, five hundred seventeen".