1150431045 has 16 divisors (see below), whose sum is σ = 1862868672. Its totient is φ = 606170240.

The previous prime is 1150431011. The next prime is 1150431053. The reversal of 1150431045 is 5401340511.

It is a happy number.

It is not a de Polignac number, because 1150431045 - 2¹¹ = 1150428997 is a prime.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 460776 + ... + 463265.

It is an arithmetic number, because the mean of its divisors is an integer number (116429292).

Almost surely, 2^1150431045 is an apocalyptic number.

1150431045 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1150431045 is a deficient number, since it is larger than the sum of its proper divisors (712437627).

1150431045 is an equidigital number, since it uses as much as digits as its factorization.

1150431045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 924132.

The product of its (nonzero) digits is 1200, while the sum is 24.

The square root of 1150431045 is about 33918.0047320004. The cubic root of 1150431045 is about 1047.8204357606.

Adding to 1150431045 its reverse (5401340511), we get a palindrome (6551771556).

The spelling of 1150431045 in words is "one billion, one hundred fifty million, four hundred thirty-one thousand, forty-five".