1532251145 has 32 divisors (see below), whose sum is σ = 1950739200. Its totient is φ = 1155234432.

The previous prime is 1532251129. The next prime is 1532251151. The reversal of 1532251145 is 5411522351.

It is not a de Polignac number, because 1532251145 - 2⁴ = 1532251129 is a prime.

It is a super-2 number, since 2×1532251145² = 4695587142707622050, which contains 22 as substring.

Its product of digits (6000) is a multiple of the sum of its prime divisors (400).

It is an unprimeable number.

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, 5414174 + ... + 5414456.

It is an arithmetic number, because the mean of its divisors is an integer number (60960600).

Almost surely, 2^1532251145 is an apocalyptic number.

It is an amenable number.

1532251145 is a deficient number, since it is larger than the sum of its proper divisors (418488055).

1532251145 is an frugal number, since it uses more digits than its factorization.

1532251145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 446 (or 400 counting only the distinct ones).

The product of its digits is 6000, while the sum is 29.

The square root of 1532251145 is about 39143.9796775954. The cubic root of 1532251145 is about 1152.8602136772.

Adding to 1532251145 its reverse (5411522351), we get a palindrome (6943773496).

The spelling of 1532251145 in words is "one billion, five hundred thirty-two million, two hundred fifty-one thousand, one hundred forty-five".