545045321142450 has 72 divisors (see below), whose sum is σ = 1489174674109200. Its totient is φ = 142881937286880.

The previous prime is 545045321142449. The next prime is 545045321142451. The reversal of 545045321142450 is 54241123540545.

545045321142450 is a `hidden beast` number, since 5 + 4 + 5 + 0 + 4 + 5 + 3 + 211 + 424 + 5 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (545045321142449) and next prime (545045321142451).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a junction number, because it is equal to n+sod(n) for n = 545045321142396 and 545045321142405.

It is not an unprimeable number, because it can be changed into a prime (545045321142451) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 10264480440 + ... + 10264533539.

It is an arithmetic number, because the mean of its divisors is an integer number (20682981584850).

Almost surely, 2^{545045321142450} is an apocalyptic number.

545045321142450 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

545045321142450 is an abundant number, since it is smaller than the sum of its proper divisors (944129352966750).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

545045321142450 is a wasteful number, since it uses less digits than its factorization.

545045321142450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20529014056 (or 20529014048 counting only the distinct ones).

The product of its (nonzero) digits is 1920000, while the sum is 45.

Adding to 545045321142450 its reverse (54241123540545), we get a palindrome (599286444682995).

The spelling of 545045321142450 in words is "five hundred forty-five trillion, forty-five billion, three hundred twenty-one million, one hundred forty-two thousand, four hundred fifty".