545813190 has 192 divisors, whose sum is σ = 1649007360. Its totient is φ = 124104960.

The previous prime is 545813183. The next prime is 545813201. The reversal of 545813190 is 91318545.

545813190 is a `hidden beast` number, since 5 + 458 + 13 + 190 = 666.

It is a super-2 number, since 2×545813190² = 595824076755952200, which contains 22 as substring.

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 95 ways as a sum of consecutive naturals, for example, 955605 + ... + 956175.

It is an arithmetic number, because the mean of its divisors is an integer number (8588580).

Almost surely, 2^545813190 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 545813190, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (824503680).

545813190 is an abundant number, since it is smaller than the sum of its proper divisors (1103194170).

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

545813190 is a wasteful number, since it uses less digits than its factorization.

545813190 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 659 (or 656 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 36.

The square root of 545813190 is about 23362.6451841396. The cubic root of 545813190 is about 817.2369773598.

The spelling of 545813190 in words is "five hundred forty-five million, eight hundred thirteen thousand, one hundred ninety".