45504450 has 96 divisors (see below), whose sum is σ = 128920320. Its totient is φ = 11793600.

The previous prime is 45504443. The next prime is 45504479. The reversal of 45504450 is 5440554.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 49495 + ... + 50405.

It is an arithmetic number, because the mean of its divisors is an integer number (1342920).

Almost surely, 2^45504450 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 45504450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64460160).

45504450 is an abundant number, since it is smaller than the sum of its proper divisors (83415870).

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

45504450 is a wasteful number, since it uses less digits than its factorization.

45504450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 969 (or 958 counting only the distinct ones).

The product of its (nonzero) digits is 8000, while the sum is 27.

The square root of 45504450 is about 6745.6986294972. The cubic root of 45504450 is about 357.0134872385.

It can be divided in two parts, 45504 and 450, that multiplied together give a triangular number (20476800 = T₆₃₉₉).

The spelling of 45504450 in words is "forty-five million, five hundred four thousand, four hundred fifty".