45142857349 has 4 divisors (see below), whose sum is σ = 47798319564. Its totient is φ = 42487395136.

The previous prime is 45142857343. The next prime is 45142857373. The reversal of 45142857349 is 94375824154.

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 17314612225 + 27828245124 = 131585^2 + 166818^2 .

It is a cyclic number.

It is not a de Polignac number, because 45142857349 - 2¹⁵ = 45142824581 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 45142857296 and 45142857305.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45142857343) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1327731082 + ... + 1327731115.

It is an arithmetic number, because the mean of its divisors is an integer number (11949579891).

Almost surely, 2^45142857349 is an apocalyptic number.

It is an amenable number.

45142857349 is a deficient number, since it is larger than the sum of its proper divisors (2655462215).

45142857349 is a wasteful number, since it uses less digits than its factorization.

45142857349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2655462214.

The product of its digits is 4838400, while the sum is 52.

The spelling of 45142857349 in words is "forty-five billion, one hundred forty-two million, eight hundred fifty-seven thousand, three hundred forty-nine".