545034514642 has 4 divisors (see below), whose sum is σ = 817551771966. Its totient is φ = 272517257320.

The previous prime is 545034514637. The next prime is 545034514643. The reversal of 545034514642 is 246415430545.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 246415430545 = 5 ⋅49283086109.

It can be written as a sum of positive squares in only one way, i.e., 319949740881 + 225084773761 = 565641^2 + 474431^2 .

It is not an unprimeable number, because it can be changed into a prime (545034514643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 136258628659 + ... + 136258628662.

Almost surely, 2^545034514642 is an apocalyptic number.

545034514642 is a deficient number, since it is larger than the sum of its proper divisors (272517257324).

545034514642 is a wasteful number, since it uses less digits than its factorization.

545034514642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 272517257323.

The product of its (nonzero) digits is 1152000, while the sum is 43.

The spelling of 545034514642 in words is "five hundred forty-five billion, thirty-four million, five hundred fourteen thousand, six hundred forty-two".