258741645 has 8 divisors (see below), whose sum is σ = 413986656. Its totient is φ = 137995536.

The previous prime is 258741589. The next prime is 258741647. The reversal of 258741645 is 546147852.

It is a happy number.

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

It is not a de Polignac number, because 258741645 - 2¹¹ = 258739597 is a prime.

It is a super-3 number, since 3×258741645³ (a number of 26 digits) contains 333 as substring.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 258741597 and 258741606.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (258741647) 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, 8624707 + ... + 8624736.

It is an arithmetic number, because the mean of its divisors is an integer number (51748332).

Almost surely, 2^258741645 is an apocalyptic number.

It is an amenable number.

258741645 is a deficient number, since it is larger than the sum of its proper divisors (155245011).

258741645 is a wasteful number, since it uses less digits than its factorization.

258741645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17249451.

The product of its digits is 268800, while the sum is 42.

The square root of 258741645 is about 16085.4482374598. The cubic root of 258741645 is about 637.2190903859.

The spelling of 258741645 in words is "two hundred fifty-eight million, seven hundred forty-one thousand, six hundred forty-five".