1532003145 has 32 divisors (see below), whose sum is σ = 2503526400. Its totient is φ = 799748544.

The previous prime is 1532003119. The next prime is 1532003149. The reversal of 1532003145 is 5413002351.

It is not a de Polignac number, because 1532003145 - 2²⁰ = 1530954569 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1532003149) 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 31 ways as a sum of consecutive naturals, for example, 207894 + ... + 215136.

It is an arithmetic number, because the mean of its divisors is an integer number (78235200).

Almost surely, 2^1532003145 is an apocalyptic number.

1532003145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1532003145 is a deficient number, since it is larger than the sum of its proper divisors (971523255).

1532003145 is a wasteful number, since it uses less digits than its factorization.

1532003145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7549.

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 1532003145 is about 39140.8117570395. The cubic root of 1532003145 is about 1152.7980122205.

Adding to 1532003145 its reverse (5413002351), we get a palindrome (6945005496).

The spelling of 1532003145 in words is "one billion, five hundred thirty-two million, three thousand, one hundred forty-five".