45578898 has 12 divisors (see below), whose sum is σ = 98754318. Its totient is φ = 15192960.

The previous prime is 45578881. The next prime is 45578899. The reversal of 45578898 is 89887554.

45578898 is a `hidden beast` number, since 4 + 557 + 8 + 89 + 8 = 666.

It can be written as a sum of positive squares in only one way, i.e., 33489369 + 12089529 = 5787^2 + 3477^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (45578899) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1266063 + ... + 1266098.

Almost surely, 2^45578898 is an apocalyptic number.

45578898 is an abundant number, since it is smaller than the sum of its proper divisors (53175420).

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

45578898 is a wasteful number, since it uses less digits than its factorization.

45578898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2532169 (or 2532166 counting only the distinct ones).

The product of its digits is 3225600, while the sum is 54.

The square root of 45578898 is about 6751.2145573963. The cubic root of 45578898 is about 357.2080796234.

The spelling of 45578898 in words is "forty-five million, five hundred seventy-eight thousand, eight hundred ninety-eight".