613142545 has 4 divisors (see below), whose sum is σ = 735771060. Its totient is φ = 490514032.

The previous prime is 613142539. The next prime is 613142557. The reversal of 613142545 is 545241316.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 430811536 + 182331009 = 20756^2 + 13503^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-613142545 is a prime.

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 3 ways as a sum of consecutive naturals, for example, 61314250 + ... + 61314259.

It is an arithmetic number, because the mean of its divisors is an integer number (183942765).

Almost surely, 2^613142545 is an apocalyptic number.

It is an amenable number.

613142545 is a deficient number, since it is larger than the sum of its proper divisors (122628515).

613142545 is a wasteful number, since it uses less digits than its factorization.

613142545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122628514.

The product of its digits is 14400, while the sum is 31.

The square root of 613142545 is about 24761.7153081122. The cubic root of 613142545 is about 849.5464916425.

The spelling of 613142545 in words is "six hundred thirteen million, one hundred forty-two thousand, five hundred forty-five".