545351380 has 144 divisors (see below), whose sum is σ = 1424908800. Its totient is φ = 174424320.

The previous prime is 545351377. The next prime is 545351431. The reversal of 545351380 is 83153545.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 880711 + ... + 881329.

It is an arithmetic number, because the mean of its divisors is an integer number (9895200).

Almost surely, 2^545351380 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 545351380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (712454400).

545351380 is an abundant number, since it is smaller than the sum of its proper divisors (879557420).

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

545351380 is a wasteful number, since it uses less digits than its factorization.

545351380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 702 (or 693 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 34.

The square root of 545351380 is about 23352.7595799726. The cubic root of 545351380 is about 817.0064255235.

The spelling of 545351380 in words is "five hundred forty-five million, three hundred fifty-one thousand, three hundred eighty".