45810198 has 120 divisors (see below), whose sum is σ = 124146000. Its totient is φ = 12573792.

The previous prime is 45810151. The next prime is 45810203. The reversal of 45810198 is 89101854.

45810198 is a `hidden beast` number, since 458 + 10 + 198 = 666.

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 59 ways as a sum of consecutive naturals, for example, 230103 + ... + 230301.

It is an arithmetic number, because the mean of its divisors is an integer number (1034550).

Almost surely, 2^45810198 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 45810198, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62073000).

45810198 is an abundant number, since it is smaller than the sum of its proper divisors (78335802).

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

45810198 is a wasteful number, since it uses less digits than its factorization.

45810198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 256 (or 240 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 36.

The square root of 45810198 is about 6768.3231305841. The cubic root of 45810198 is about 357.8113036566.

The spelling of 45810198 in words is "forty-five million, eight hundred ten thousand, one hundred ninety-eight".