6142355645 has 4 divisors (see below), whose sum is σ = 7370826780. Its totient is φ = 4913884512.

The previous prime is 6142355627. The next prime is 6142355647. The reversal of 6142355645 is 5465532416.

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 1035681124 + 5106674521 = 32182^2 + 71461^2 .

It is a cyclic number.

It is not a de Polignac number, because 6142355645 - 2¹⁶ = 6142290109 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6142355647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 614235560 + ... + 614235569.

It is an arithmetic number, because the mean of its divisors is an integer number (1842706695).

Almost surely, 2^6142355645 is an apocalyptic number.

It is an amenable number.

6142355645 is a deficient number, since it is larger than the sum of its proper divisors (1228471135).

6142355645 is a wasteful number, since it uses less digits than its factorization.

6142355645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1228471134.

The product of its digits is 432000, while the sum is 41.

The square root of 6142355645 is about 78373.1819246865. The cubic root of 6142355645 is about 1831.3793779691.

The spelling of 6142355645 in words is "six billion, one hundred forty-two million, three hundred fifty-five thousand, six hundred forty-five".