545225310 has 128 divisors (see below), whose sum is σ = 1693301760. Its totient is φ = 122249088.

The previous prime is 545225293. The next prime is 545225321. The reversal of 545225310 is 13522545.

It is a happy number.

It is a super-2 number, since 2×545225310² = 594541277329192200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 97449 + ... + 102891.

It is an arithmetic number, because the mean of its divisors is an integer number (13228920).

Almost surely, 2^545225310 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 545225310, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (846650880).

545225310 is an abundant number, since it is smaller than the sum of its proper divisors (1148076450).

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

545225310 is a wasteful number, since it uses less digits than its factorization.

545225310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5519 (or 5513 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 27.

The square root of 545225310 is about 23350.0601712287. The cubic root of 545225310 is about 816.9434643198.

Adding to 545225310 its reverse (13522545), we get a palindrome (558747855).

The spelling of 545225310 in words is "five hundred forty-five million, two hundred twenty-five thousand, three hundred ten".