545403251450 has 12 divisors (see below), whose sum is σ = 1014450047790. Its totient is φ = 218161300560.

The previous prime is 545403251431. The next prime is 545403251537. The reversal of 545403251450 is 54152304545.

It can be written as a sum of positive squares in 3 ways, for example, as 304054090921 + 241349160529 = 551411^2 + 491273^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5454032465 + ... + 5454032564.

Almost surely, 2^545403251450 is an apocalyptic number.

545403251450 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

545403251450 is a deficient number, since it is larger than the sum of its proper divisors (469046796340).

545403251450 is a wasteful number, since it uses less digits than its factorization.

545403251450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10908065041 (or 10908065036 counting only the distinct ones).

The product of its (nonzero) digits is 240000, while the sum is 38.

Adding to 545403251450 its reverse (54152304545), we get a palindrome (599555555995).

The spelling of 545403251450 in words is "five hundred forty-five billion, four hundred three million, two hundred fifty-one thousand, four hundred fifty".