45546880 has 32 divisors (see below), whose sum is σ = 108887040. Its totient is φ = 18218496.

The previous prime is 45546871. The next prime is 45546881. The reversal of 45546880 is 8864554.

It is a tau number, because it is divible by the number of its divisors (32).

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45546881) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34944 + ... + 36223.

It is an arithmetic number, because the mean of its divisors is an integer number (3402720).

Almost surely, 2^45546880 is an apocalyptic number.

45546880 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

45546880 is an abundant number, since it is smaller than the sum of its proper divisors (63340160).

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

45546880 is an equidigital number, since it uses as much as digits as its factorization.

45546880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71186 (or 71174 counting only the distinct ones).

The product of its (nonzero) digits is 153600, while the sum is 40.

The square root of 45546880 is about 6748.8428637804. The cubic root of 45546880 is about 357.1244168765.

The spelling of 45546880 in words is "forty-five million, five hundred forty-six thousand, eight hundred eighty".