1145400406 has 8 divisors (see below), whose sum is σ = 1719166680. Its totient is φ = 572344848.

The previous prime is 1145400397. The next prime is 1145400407. The reversal of 1145400406 is 6040045411.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1145400407) 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, 173631 + ... + 180106.

It is an arithmetic number, because the mean of its divisors is an integer number (214895835).

Almost surely, 2^1145400406 is an apocalyptic number.

1145400406 is a deficient number, since it is larger than the sum of its proper divisors (573766274).

1145400406 is a wasteful number, since it uses less digits than its factorization.

1145400406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 355358.

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 1145400406 is about 33843.7646546598. The cubic root of 1145400406 is about 1046.2908906813.

Adding to 1145400406 its reverse (6040045411), we get a palindrome (7185445817).

The spelling of 1145400406 in words is "one billion, one hundred forty-five million, four hundred thousand, four hundred six".