1145400004 has 12 divisors (see below), whose sum is σ = 2290800064. Its totient is φ = 490885704.

The previous prime is 1145399999. The next prime is 1145400017. The reversal of 1145400004 is 4000045411.

1145400004 is an admirable 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, 20453544 + ... + 20453599.

Almost surely, 2^1145400004 is an apocalyptic number.

1145400004 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1145400004 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1145400004 is a wasteful number, since it uses less digits than its factorization.

1145400004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40907154 (or 40907152 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 19.

The square root of 1145400004 is about 33843.7587156037. The cubic root of 1145400004 is about 1046.2907682761.

Adding to 1145400004 its reverse (4000045411), we get a palindrome (5145445415).

The spelling of 1145400004 in words is "one billion, one hundred forty-five million, four hundred thousand, four".