1145903933 has 8 divisors (see below), whose sum is σ = 1184622336. Its totient is φ = 1107295200.

The previous prime is 1145903929. The next prime is 1145903987. The reversal of 1145903933 is 3393095411.

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

It is not a de Polignac number, because 1145903933 - 2² = 1145903929 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1145903333) 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, 5888 + ... + 48233.

It is an arithmetic number, because the mean of its divisors is an integer number (148077792).

Almost surely, 2^1145903933 is an apocalyptic number.

It is an amenable number.

1145903933 is a deficient number, since it is larger than the sum of its proper divisors (38718403).

1145903933 is an equidigital number, since it uses as much as digits as its factorization.

1145903933 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54835.

The product of its (nonzero) digits is 43740, while the sum is 38.

The square root of 1145903933 is about 33851.2028294417. The cubic root of 1145903933 is about 1046.4441874467. Note that the first 3 decimals are identical.

The spelling of 1145903933 in words is "one billion, one hundred forty-five million, nine hundred three thousand, nine hundred thirty-three".