1145501104 has 40 divisors (see below), whose sum is σ = 2424934080. Its totient is φ = 519873600.

The previous prime is 1145501099. The next prime is 1145501141. The reversal of 1145501104 is 4011055411.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 116907 + ... + 126325.

It is an arithmetic number, because the mean of its divisors is an integer number (60623352).

Almost surely, 2^1145501104 is an apocalyptic number.

It is an amenable number.

1145501104 is an abundant number, since it is smaller than the sum of its proper divisors (1279432976).

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

1145501104 is a wasteful number, since it uses less digits than its factorization.

1145501104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10129 (or 10123 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 22.

The square root of 1145501104 is about 33845.2523110702. The cubic root of 1145501104 is about 1046.3215513749.

Adding to 1145501104 its reverse (4011055411), we get a palindrome (5156556515).

The spelling of 1145501104 in words is "one billion, one hundred forty-five million, five hundred one thousand, one hundred four".