1151333145 has 24 divisors (see below), whose sum is σ = 2002718016. Its totient is φ = 611867808.

The previous prime is 1151333111. The next prime is 1151333153. The reversal of 1151333145 is 5413331511.

It is a happy number.

1151333145 is a `hidden beast` number, since 1 + 1 + 513 + 3 + 3 + 145 = 666.

It is not a de Polignac number, because 1151333145 - 2⁷ = 1151333017 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 32469 + ... + 57938.

It is an arithmetic number, because the mean of its divisors is an integer number (83446584).

Almost surely, 2^1151333145 is an apocalyptic number.

1151333145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1151333145 is a deficient number, since it is larger than the sum of its proper divisors (851384871).

1151333145 is a wasteful number, since it uses less digits than its factorization.

1151333145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90701 (or 90698 counting only the distinct ones).

The product of its digits is 2700, while the sum is 27.

The square root of 1151333145 is about 33931.3003729595. The cubic root of 1151333145 is about 1048.0942438142.

Adding to 1151333145 its reverse (5413331511), we get a palindrome (6564664656).

The spelling of 1151333145 in words is "one billion, one hundred fifty-one million, three hundred thirty-three thousand, one hundred forty-five".