545442423002 has 4 divisors (see below), whose sum is σ = 818163634506. Its totient is φ = 272721211500.

The previous prime is 545442422999. The next prime is 545442423007. The reversal of 545442423002 is 200324244545.

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., 316911576601 + 228530846401 = 562949^2 + 478049^2 .

It is not an unprimeable number, because it can be changed into a prime (545442423007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 136360605749 + ... + 136360605752.

Almost surely, 2^545442423002 is an apocalyptic number.

545442423002 is a deficient number, since it is larger than the sum of its proper divisors (272721211504).

545442423002 is a wasteful number, since it uses less digits than its factorization.

545442423002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 272721211503.

The product of its (nonzero) digits is 153600, while the sum is 35.

Adding to 545442423002 its reverse (200324244545), we get a palindrome (745766667547).

The spelling of 545442423002 in words is "five hundred forty-five billion, four hundred forty-two million, four hundred twenty-three thousand, two".