1552304145 has 16 divisors (see below), whose sum is σ = 2838499200. Its totient is φ = 709624704.

The previous prime is 1552304099. The next prime is 1552304147. The reversal of 1552304145 is 5414032551.

It is not a de Polignac number, because 1552304145 - 2¹⁰ = 1552303121 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1552304147) 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 15 ways as a sum of consecutive naturals, for example, 7391820 + ... + 7392029.

It is an arithmetic number, because the mean of its divisors is an integer number (177406200).

Almost surely, 2^1552304145 is an apocalyptic number.

1552304145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1552304145 is a deficient number, since it is larger than the sum of its proper divisors (1286195055).

1552304145 is a wasteful number, since it uses less digits than its factorization.

1552304145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14783864.

The product of its (nonzero) digits is 12000, while the sum is 30.

The square root of 1552304145 is about 39399.2911738270. The cubic root of 1552304145 is about 1157.8677002008.

Adding to 1552304145 its reverse (5414032551), we get a palindrome (6966336696).

The spelling of 1552304145 in words is "one billion, five hundred fifty-two million, three hundred four thousand, one hundred forty-five".