45494448 has 80 divisors (see below), whose sum is σ = 125706240. Its totient is φ = 14128128.

The previous prime is 45494447. The next prime is 45494459. The reversal of 45494448 is 84449454.

It is not an unprimeable number, because it can be changed into a prime (45494443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 103413 + ... + 103851.

It is an arithmetic number, because the mean of its divisors is an integer number (1571328).

Almost surely, 2^45494448 is an apocalyptic number.

45494448 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 45494448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62853120).

45494448 is an abundant number, since it is smaller than the sum of its proper divisors (80211792).

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

45494448 is a wasteful number, since it uses less digits than its factorization.

45494448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 594 (or 588 counting only the distinct ones).

The product of its digits is 368640, while the sum is 42.

The square root of 45494448 is about 6744.9572274404. The cubic root of 45494448 is about 356.9873278148.

The spelling of 45494448 in words is "forty-five million, four hundred ninety-four thousand, four hundred forty-eight".