1145530134 has 128 divisors (see below), whose sum is σ = 3098880000. Its totient is φ = 312947712.

The previous prime is 1145530129. The next prime is 1145530147. The reversal of 1145530134 is 4310355411.

It is a happy number.

1145530134 is a `hidden beast` number, since 114 + 5 + 530 + 13 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1145530098 and 1145530107.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 424662 + ... + 427350.

It is an arithmetic number, because the mean of its divisors is an integer number (24210000).

Almost surely, 2^1145530134 is an apocalyptic number.

1145530134 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1145530134, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1549440000).

1145530134 is an abundant number, since it is smaller than the sum of its proper divisors (1953349866).

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

1145530134 is a wasteful number, since it uses less digits than its factorization.

1145530134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2744 (or 2724 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The square root of 1145530134 is about 33845.6811720491. The cubic root of 1145530134 is about 1046.3303901437.

Adding to 1145530134 its reverse (4310355411), we get a palindrome (5455885545).

The spelling of 1145530134 in words is "one billion, one hundred forty-five million, five hundred thirty thousand, one hundred thirty-four".