545255142434 has 4 divisors (see below), whose sum is σ = 817882713654. Its totient is φ = 272627571216.

The previous prime is 545255142431. The next prime is 545255142449. The reversal of 545255142434 is 434241552545.

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

It can be written as a sum of positive squares in only one way, i.e., 428258992225 + 116996150209 = 654415^2 + 342047^2 .

It is not an unprimeable number, because it can be changed into a prime (545255142431) by changing a digit.

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 as a sum of consecutive naturals, namely, 136313785607 + ... + 136313785610.

Almost surely, 2^545255142434 is an apocalyptic number.

545255142434 is a deficient number, since it is larger than the sum of its proper divisors (272627571220).

545255142434 is a wasteful number, since it uses less digits than its factorization.

545255142434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 272627571219.

The product of its digits is 1920000, while the sum is 44.

Adding to 545255142434 its reverse (434241552545), we get a palindrome (979496694979).

The spelling of 545255142434 in words is "five hundred forty-five billion, two hundred fifty-five million, one hundred forty-two thousand, four hundred thirty-four".