1145404032 has 32 divisors (see below), whose sum is σ = 3042480480. Its totient is φ = 381801216.

The previous prime is 1145404009. The next prime is 1145404049. The reversal of 1145404032 is 2304045411.

It is a tau number, because it is divible by the number of its divisors (32).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a junction number, because it is equal to n+sod(n) for n = 1145403993 and 1145404011.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1491028 + ... + 1491795.

It is an arithmetic number, because the mean of its divisors is an integer number (95077515).

Almost surely, 2^1145404032 is an apocalyptic number.

1145404032 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1145404032 is an abundant number, since it is smaller than the sum of its proper divisors (1897076448).

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

1145404032 is an equidigital number, since it uses as much as digits as its factorization.

1145404032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2982840 (or 2982828 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 1145404032 is about 33843.8182243080. The cubic root of 1145404032 is about 1046.2919947630.

Adding to 1145404032 its reverse (2304045411), we get a palindrome (3449449443).

The spelling of 1145404032 in words is "one billion, one hundred forty-five million, four hundred four thousand, thirty-two".