5142215545 has 4 divisors (see below), whose sum is σ = 6170658660. Its totient is φ = 4113772432.

The previous prime is 5142215509. The next prime is 5142215579. The reversal of 5142215545 is 5455122415.

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 1935032121 + 3207183424 = 43989^2 + 56632^2 .

It is a cyclic number.

It is not a de Polignac number, because 5142215545 - 2¹⁵ = 5142182777 is a prime.

It is a super-2 number, since 2×5142215545² = 52884761422479294050, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 5142215545.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 514221550 + ... + 514221559.

It is an arithmetic number, because the mean of its divisors is an integer number (1542664665).

Almost surely, 2^5142215545 is an apocalyptic number.

It is an amenable number.

5142215545 is a deficient number, since it is larger than the sum of its proper divisors (1028443115).

5142215545 is a wasteful number, since it uses less digits than its factorization.

5142215545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1028443114.

The product of its digits is 40000, while the sum is 34.

The square root of 5142215545 is about 71709.2430932024. The cubic root of 5142215545 is about 1726.0369646970.

The spelling of 5142215545 in words is "five billion, one hundred forty-two million, two hundred fifteen thousand, five hundred forty-five".