1145203032 has 16 divisors (see below), whose sum is σ = 2863007640. Its totient is φ = 381734336.

The previous prime is 1145203019. The next prime is 1145203063. The reversal of 1145203032 is 2303025411.

It is a super-2 number, since 2×1145203032² = 2622979969003986048, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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, 23858373 + ... + 23858420.

Almost surely, 2^1145203032 is an apocalyptic number.

1145203032 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1145203032 is an abundant number, since it is smaller than the sum of its proper divisors (1717804608).

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

1145203032 is a wasteful number, since it uses less digits than its factorization.

1145203032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47716802 (or 47716798 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 1145203032 is about 33840.8485709209. The cubic root of 1145203032 is about 1046.2307887059.

Adding to 1145203032 its reverse (2303025411), we get a palindrome (3448228443).

The spelling of 1145203032 in words is "one billion, one hundred forty-five million, two hundred three thousand, thirty-two".