613157345 has 8 divisors (see below), whose sum is σ = 767779776. Its totient is φ = 469198576.

The previous prime is 613157327. The next prime is 613157359. The reversal of 613157345 is 543751316.

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 613157345 - 2⁸ = 613157089 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2665787 + ... + 2666016.

It is an arithmetic number, because the mean of its divisors is an integer number (95972472).

Almost surely, 2^613157345 is an apocalyptic number.

It is an amenable number.

613157345 is a deficient number, since it is larger than the sum of its proper divisors (154622431).

613157345 is a wasteful number, since it uses less digits than its factorization.

613157345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5331831.

The product of its digits is 37800, while the sum is 35.

The square root of 613157345 is about 24762.0141547492. The cubic root of 613157345 is about 849.5533270226.

The spelling of 613157345 in words is "six hundred thirteen million, one hundred fifty-seven thousand, three hundred forty-five".