45546444 has 18 divisors (see below), whose sum is σ = 115131380. Its totient is φ = 15182136.

The previous prime is 45546437. The next prime is 45546461. The reversal of 45546444 is 44464554.

45546444 is a `hidden beast` number, since 4 + 5 + 5 + 4 + 644 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-2 number, since 2×45546444² = 4148957122090272, which contains 22 as substring.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 1265179 = 45546444 / (4 + 5 + 5 + 4 + 6 + 4 + 4 + 4).

It is a junction number, because it is equal to n+sod(n) for n = 45546399 and 45546408.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 632554 + ... + 632625.

Almost surely, 2^45546444 is an apocalyptic number.

It is an amenable number.

45546444 is an abundant number, since it is smaller than the sum of its proper divisors (69584936).

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

45546444 is a wasteful number, since it uses less digits than its factorization.

45546444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1265189 (or 1265184 counting only the distinct ones).

The product of its digits is 153600, while the sum is 36.

The square root of 45546444 is about 6748.8105618694. The cubic root of 45546444 is about 357.1232773418.

The spelling of 45546444 in words is "forty-five million, five hundred forty-six thousand, four hundred forty-four".