45049752 has 72 divisors (see below), whose sum is σ = 134135820. Its totient is φ = 13648800.

The previous prime is 45049751. The next prime is 45049769. The reversal of 45049752 is 25794054.

It is a tau number, because it is divible by the number of its divisors (72).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45049751) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 6127 + ... + 11297.

Almost surely, 2^45049752 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 45049752, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (67067910).

45049752 is an abundant number, since it is smaller than the sum of its proper divisors (89086068).

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

45049752 is a wasteful number, since it uses less digits than its factorization.

45049752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5205 (or 5187 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 36.

The square root of 45049752 is about 6711.9112032267. The cubic root of 45049752 is about 355.8203655446.

The spelling of 45049752 in words is "forty-five million, forty-nine thousand, seven hundred fifty-two".