1145834772 has 96 divisors (see below), whose sum is σ = 2847882240. Its totient is φ = 358026240.

The previous prime is 1145834771. The next prime is 1145834777. The reversal of 1145834772 is 2774385411.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1145834771) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1754398 + ... + 1755050.

It is an arithmetic number, because the mean of its divisors is an integer number (29665440).

Almost surely, 2^1145834772 is an apocalyptic number.

1145834772 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1145834772 is an abundant number, since it is smaller than the sum of its proper divisors (1702047468).

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

1145834772 is a wasteful number, since it uses less digits than its factorization.

1145834772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 833 (or 831 counting only the distinct ones).

The product of its digits is 188160, while the sum is 42.

The square root of 1145834772 is about 33850.1812698248. The cubic root of 1145834772 is about 1046.4231343198.

The spelling of 1145834772 in words is "one billion, one hundred forty-five million, eight hundred thirty-four thousand, seven hundred seventy-two".