1145505004 has 12 divisors (see below), whose sum is σ = 2291010064. Its totient is φ = 490930704.

The previous prime is 1145504939. The next prime is 1145505013. The reversal of 1145505004 is 4005055411.

It is a happy number.

1145505004 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 1145505004.

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, 20455419 + ... + 20455474.

Almost surely, 2^1145505004 is an apocalyptic number.

1145505004 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1145505004 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.

1145505004 is a wasteful number, since it uses less digits than its factorization.

1145505004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40910904 (or 40910902 counting only the distinct ones).

The product of its (nonzero) digits is 2000, while the sum is 25.

The square root of 1145505004 is about 33845.3099261921. The cubic root of 1145505004 is about 1046.3227388172.

The spelling of 1145505004 in words is "one billion, one hundred forty-five million, five hundred five thousand, four".