45546144 has 48 divisors (see below), whose sum is σ = 136640448. Its totient is φ = 13012992.

The previous prime is 45546143. The next prime is 45546169. The reversal of 45546144 is 44164554.

It is a tau number, because it is divible by the number of its divisors (48).

It is not an unprimeable number, because it can be changed into a prime (45546143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33217 + ... + 34560.

It is an arithmetic number, because the mean of its divisors is an integer number (2846676).

Almost surely, 2^45546144 is an apocalyptic number.

It is an amenable number.

45546144 is an abundant number, since it is smaller than the sum of its proper divisors (91094304).

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

45546144 is a wasteful number, since it uses less digits than its factorization.

45546144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67797 (or 67789 counting only the distinct ones).

The product of its digits is 38400, while the sum is 33.

The square root of 45546144 is about 6748.7883356940. The cubic root of 45546144 is about 357.1224932541.

The spelling of 45546144 in words is "forty-five million, five hundred forty-six thousand, one hundred forty-four".