2148552 has 128 divisors (see below), whose sum is σ = 7200000. Its totient is φ = 592704.

The previous prime is 2148547. The next prime is 2148583. The reversal of 2148552 is 2558412.

It is a happy number.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 74074 + ... + 74102.

It is an arithmetic number, because the mean of its divisors is an integer number (56250).

2^2148552 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 2148552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3600000).

2148552 is an abundant number, since it is smaller than the sum of its proper divisors (5051448).

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

2148552 is a wasteful number, since it uses less digits than its factorization.

2148552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65 (or 41 counting only the distinct ones).

The product of its digits is 3200, while the sum is 27.

The square root of 2148552 is about 1465.7939827957. The cubic root of 2148552 is about 129.0373066788.

The spelling of 2148552 in words is "two million, one hundred forty-eight thousand, five hundred fifty-two".