1552144 has 20 divisors (see below), whose sum is σ = 3281040. Its totient is φ = 705440.

The previous prime is 1552123. The next prime is 1552147. The reversal of 1552144 is 4412551.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is not an unprimeable number, because it can be changed into a prime (1552147) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 4234 + ... + 4585.

It is an arithmetic number, because the mean of its divisors is an integer number (164052).

2^1552144 is an apocalyptic number.

It is an amenable number.

1552144 is an abundant number, since it is smaller than the sum of its proper divisors (1728896).

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

1552144 is a wasteful number, since it uses less digits than its factorization.

1552144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8838 (or 8832 counting only the distinct ones).

The product of its digits is 800, while the sum is 22.

The square root of 1552144 is about 1245.8507133682. The cubic root of 1552144 is about 115.7827881307.

Adding to 1552144 its reverse (4412551), we get a palindrome (5964695).

The spelling of 1552144 in words is "one million, five hundred fifty-two thousand, one hundred forty-four".