45447556 has 24 divisors (see below), whose sum is σ = 99158976. Its totient is φ = 17706720.

The previous prime is 45447551. The next prime is 45447593. The reversal of 45447556 is 65574454.

It is a happy number.

45447556 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (45447551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 73471 + ... + 74086.

It is an arithmetic number, because the mean of its divisors is an integer number (4131624).

Almost surely, 2^45447556 is an apocalyptic number.

It is an amenable number.

45447556 is an abundant number, since it is smaller than the sum of its proper divisors (53711420).

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

45447556 is a wasteful number, since it uses less digits than its factorization.

45447556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147579 (or 147577 counting only the distinct ones).

The product of its digits is 336000, while the sum is 40.

The square root of 45447556 is about 6741.4802528822. The cubic root of 45447556 is about 356.8646344228.

It can be divided in two parts, 4544 and 7556, that added together give a square (12100 = 110²).

The spelling of 45447556 in words is "forty-five million, four hundred forty-seven thousand, five hundred fifty-six".