545001000000 has 196 divisors, whose sum is σ = 1802464115664. Its totient is φ = 145332800000.

The previous prime is 545000999953. The next prime is 545001000013. The reversal of 545001000000 is 100545.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 2909167 + ... + 3090833.

Almost surely, 2^545001000000 is an apocalyptic number.

545001000000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 545001000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (901232057832).

545001000000 is an abundant number, since it is smaller than the sum of its proper divisors (1257463115664).

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

545001000000 is an frugal number, since it uses more digits than its factorization.

545001000000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181712 (or 181677 counting only the distinct ones).

The product of its (nonzero) digits is 100, while the sum is 15.

Adding to 545001000000 its reverse (100545), we get a palindrome (545001100545).

The spelling of 545001000000 in words is "five hundred forty-five billion, one million", and thus it is an aban number.