545240321251442 has 8 divisors (see below), whose sum is σ = 817861537394796. Its totient is φ = 272619808786512.

The previous prime is 545240321251433. The next prime is 545240321251459. The reversal of 545240321251442 is 244152123042545.

It can be written as a sum of positive squares in 2 ways, for example, as 537656956379761 + 7583364871681 = 23187431^2 + 2753791^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 545240321251393 and 545240321251402.

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, 173978213 + ... + 177084440.

Almost surely, 2^{545240321251442} is an apocalyptic number.

545240321251442 is a deficient number, since it is larger than the sum of its proper divisors (272621216143354).

545240321251442 is a wasteful number, since it uses less digits than its factorization.

545240321251442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 351839212.

The product of its (nonzero) digits is 1536000, while the sum is 44.

Adding to 545240321251442 its reverse (244152123042545), we get a palindrome (789392444293987).

The spelling of 545240321251442 in words is "five hundred forty-five trillion, two hundred forty billion, three hundred twenty-one million, two hundred fifty-one thousand, four hundred forty-two".