1145003331 has 8 divisors (see below), whose sum is σ = 1559153664. Its totient is φ = 747094280.

The previous prime is 1145003323. The next prime is 1145003333. The reversal of 1145003331 is 1333005411.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1145003331 - 2³ = 1145003323 is a prime.

It is a super-2 number, since 2×1145003331² = 2622065256002191122, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1145003298 and 1145003307.

It is not an unprimeable number, because it can be changed into a prime (1145003333) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4060155 + ... + 4060436.

It is an arithmetic number, because the mean of its divisors is an integer number (194894208).

Almost surely, 2^1145003331 is an apocalyptic number.

1145003331 is a deficient number, since it is larger than the sum of its proper divisors (414150333).

1145003331 is an equidigital number, since it uses as much as digits as its factorization.

1145003331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8120641.

The product of its (nonzero) digits is 540, while the sum is 21.

The square root of 1145003331 is about 33837.8978513737. The cubic root of 1145003331 is about 1046.1699711114.

Adding to 1145003331 its reverse (1333005411), we get a palindrome (2478008742).

The spelling of 1145003331 in words is "one billion, one hundred forty-five million, three thousand, three hundred thirty-one".