545403431242 has 8 divisors (see below), whose sum is σ = 826539220836. Its totient is φ = 269890357632.

The previous prime is 545403431239. The next prime is 545403431291. The reversal of 545403431242 is 242134304545.

It can be written as a sum of positive squares in 2 ways, for example, as 541461977281 + 3941453961 = 735841^2 + 62781^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1405678753 + ... + 1405679140.

Almost surely, 2^545403431242 is an apocalyptic number.

545403431242 is a deficient number, since it is larger than the sum of its proper divisors (281135789594).

545403431242 is a wasteful number, since it uses less digits than its factorization.

545403431242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2811357992.

The product of its (nonzero) digits is 230400, while the sum is 37.

Adding to 545403431242 its reverse (242134304545), we get a palindrome (787537735787).

The spelling of 545403431242 in words is "five hundred forty-five billion, four hundred three million, four hundred thirty-one thousand, two hundred forty-two".