1552045000 has 80 divisors (see below), whose sum is σ = 3967167600. Its totient is φ = 564360000.

The previous prime is 1552044961. The next prime is 1552045003. The reversal of 1552045000 is 5402551.

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 (1552045003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 40891 + ... + 69109.

It is an arithmetic number, because the mean of its divisors is an integer number (49589595).

Almost surely, 2^1552045000 is an apocalyptic number.

1552045000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1552045000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1983583800).

1552045000 is an abundant number, since it is smaller than the sum of its proper divisors (2415122600).

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

1552045000 is a wasteful number, since it uses less digits than its factorization.

1552045000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28256 (or 28237 counting only the distinct ones).

The product of its (nonzero) digits is 1000, while the sum is 22.

The square root of 1552045000 is about 39396.0023352624. The cubic root of 1552045000 is about 1157.8032643051.

Adding to 1552045000 its reverse (5402551), we get a palindrome (1557447551).

The spelling of 1552045000 in words is "one billion, five hundred fifty-two million, forty-five thousand".