45178848 has 144 divisors (see below), whose sum is σ = 151076016. Its totient is φ = 12625920.

The previous prime is 45178799. The next prime is 45178883. The reversal of 45178848 is 84887154.

It is a tau number, because it is divible by the number of its divisors (144).

It is a super-2 number, since 2×45178848² = 4082256613214208, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 40636 + ... + 41732.

It is an arithmetic number, because the mean of its divisors is an integer number (1049139).

Almost surely, 2^45178848 is an apocalyptic number.

45178848 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 45178848, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (75538008).

45178848 is an abundant number, since it is smaller than the sum of its proper divisors (105897168).

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

45178848 is a wasteful number, since it uses less digits than its factorization.

45178848 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1137 (or 1126 counting only the distinct ones).

The product of its digits is 286720, while the sum is 45.

The square root of 45178848 is about 6721.5212563824. The cubic root of 45178848 is about 356.1599247801.

The spelling of 45178848 in words is "forty-five million, one hundred seventy-eight thousand, eight hundred forty-eight".