45098856 has 224 divisors, whose sum is σ = 149522400. Its totient is φ = 12597120.

The previous prime is 45098849. The next prime is 45098861. The reversal of 45098856 is 65889054.

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 55 ways as a sum of consecutive naturals, for example, 1218870 + ... + 1218906.

Almost surely, 2^45098856 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 45098856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (74761200).

45098856 is an abundant number, since it is smaller than the sum of its proper divisors (104423544).

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

45098856 is a wasteful number, since it uses less digits than its factorization.

45098856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91 (or 72 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 45.

The square root of 45098856 is about 6715.5681814721. The cubic root of 45098856 is about 355.9495993960.

It can be divided in two parts, 45098 and 856, that added together give a palindrome (45954).

The spelling of 45098856 in words is "forty-five million, ninety-eight thousand, eight hundred fifty-six".