45549408 has 48 divisors (see below), whose sum is σ = 119916720. Its totient is φ = 15138816.

The previous prime is 45549391. The next prime is 45549431. The reversal of 45549408 is 80494554.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58848 + ... + 59616.

It is an arithmetic number, because the mean of its divisors is an integer number (2498265).

Almost surely, 2^45549408 is an apocalyptic number.

45549408 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

45549408 is an abundant number, since it is smaller than the sum of its proper divisors (74367312).

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

45549408 is a wasteful number, since it uses less digits than its factorization.

45549408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1399 (or 1391 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 39.

The square root of 45549408 is about 6749.0301525478. The cubic root of 45549408 is about 357.1310239432.

The spelling of 45549408 in words is "forty-five million, five hundred forty-nine thousand, four hundred eight".