1145407232 has 36 divisors (see below), whose sum is σ = 2420840016. Its totient is φ = 539013120.

The previous prime is 1145407213. The next prime is 1145407243. The reversal of 1145407232 is 2327045411.

It is a junction number, because it is equal to n+sod(n) for n = 1145407195 and 1145407204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 127244 + ... + 135947.

It is an arithmetic number, because the mean of its divisors is an integer number (67245556).

Almost surely, 2^1145407232 is an apocalyptic number.

It is an amenable number.

1145407232 is an abundant number, since it is smaller than the sum of its proper divisors (1275432784).

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

1145407232 is an equidigital number, since it uses as much as digits as its factorization.

1145407232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 263224 (or 263210 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 29.

The square root of 1145407232 is about 33843.8655002646. The cubic root of 1145407232 is about 1046.2929691299.

The spelling of 1145407232 in words is "one billion, one hundred forty-five million, four hundred seven thousand, two hundred thirty-two".