45198088 has 16 divisors (see below), whose sum is σ = 91265580. Its totient is φ = 20860608.

The previous prime is 45198077. The next prime is 45198089. The reversal of 45198088 is 88089154.

It can be written as a sum of positive squares in 2 ways, for example, as 45131524 + 66564 = 6718^2 + 258^2 .

It is not an unprimeable number, because it can be changed into a prime (45198089) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 217195 + ... + 217402.

Almost surely, 2^45198088 is an apocalyptic number.

It is an amenable number.

45198088 is an abundant number, since it is smaller than the sum of its proper divisors (46067492).

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

45198088 is a wasteful number, since it uses less digits than its factorization.

45198088 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 434616 (or 434612 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 43.

The square root of 45198088 is about 6722.9523276608. The cubic root of 45198088 is about 356.2104760502.

The spelling of 45198088 in words is "forty-five million, one hundred ninety-eight thousand, eighty-eight".