1145433432 has 96 divisors (see below), whose sum is σ = 3389808240. Its totient is φ = 320390400.

The previous prime is 1145433431. The next prime is 1145433469. The reversal of 1145433432 is 2343345411.

It is a self number, because there is not a number n which added to its sum of digits gives 1145433432.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1145433431) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 22582 + ... + 52922.

Almost surely, 2^1145433432 is an apocalyptic number.

1145433432 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1145433432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1694904120).

1145433432 is an abundant number, since it is smaller than the sum of its proper divisors (2244374808).

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

1145433432 is a wasteful number, since it uses less digits than its factorization.

1145433432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30385 (or 30370 counting only the distinct ones).

The product of its digits is 17280, while the sum is 30.

The square root of 1145433432 is about 33844.2525696757. The cubic root of 1145433432 is about 1046.3009466904.

Adding to 1145433432 its reverse (2343345411), we get a palindrome (3488778843).

The spelling of 1145433432 in words is "one billion, one hundred forty-five million, four hundred thirty-three thousand, four hundred thirty-two".