45109248 has 52 divisors (see below), whose sum is σ = 120309408. Its totient is φ = 15032320.

The previous prime is 45109223. The next prime is 45109271. The reversal of 45109248 is 84290154.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10453 + ... + 14123.

Almost surely, 2^45109248 is an apocalyptic number.

45109248 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 45109248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (60154704).

45109248 is an abundant number, since it is smaller than the sum of its proper divisors (75200160).

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

45109248 is an equidigital number, since it uses as much as digits as its factorization.

45109248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3698 (or 3676 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 33.

The square root of 45109248 is about 6716.3418614600. The cubic root of 45109248 is about 355.9769374447.

The spelling of 45109248 in words is "forty-five million, one hundred nine thousand, two hundred forty-eight".