1145404454 has 8 divisors (see below), whose sum is σ = 1760011848. Its totient is φ = 558733840.

The previous prime is 1145404453. The next prime is 1145404471. The reversal of 1145404454 is 4544045411.

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

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1145404454.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1145404453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6984092 + ... + 6984255.

It is an arithmetic number, because the mean of its divisors is an integer number (220001481).

Almost surely, 2^1145404454 is an apocalyptic number.

1145404454 is a deficient number, since it is larger than the sum of its proper divisors (614607394).

1145404454 is a wasteful number, since it uses less digits than its factorization.

1145404454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13968390.

The product of its (nonzero) digits is 25600, while the sum is 32.

The square root of 1145404454 is about 33843.8244588285. The cubic root of 1145404454 is about 1046.2921232577.

Adding to 1145404454 its reverse (4544045411), we get a palindrome (5689449865).

The spelling of 1145404454 in words is "one billion, one hundred forty-five million, four hundred four thousand, four hundred fifty-four".