5445090 has 128 divisors (see below), whose sum is σ = 17233920. Its totient is φ = 1197504.

The previous prime is 5445079. The next prime is 5445103. The reversal of 5445090 is 905445.

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

It is a congruent number.

It is an unprimeable number.

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 63 ways as a sum of consecutive naturals, for example, 81237 + ... + 81303.

It is an arithmetic number, because the mean of its divisors is an integer number (134640).

Almost surely, 2^5445090 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5445090, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8616960).

5445090 is an abundant number, since it is smaller than the sum of its proper divisors (11788830).

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

5445090 is a wasteful number, since it uses less digits than its factorization.

5445090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133 (or 127 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The square root of 5445090 is about 2333.4716625663. The cubic root of 5445090 is about 175.9280223929.

The spelling of 5445090 in words is "five million, four hundred forty-five thousand, ninety".