1145231134 has 16 divisors (see below), whose sum is σ = 1819294848. Its totient is φ = 539542872.

The previous prime is 1145231119. The next prime is 1145231159. The reversal of 1145231134 is 4311325411.

It is a junction number, because it is equal to n+sod(n) for n = 1145231099 and 1145231108.

It is a congruent number.

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, 182712 + ... + 188875.

It is an arithmetic number, because the mean of its divisors is an integer number (113705928).

Almost surely, 2^1145231134 is an apocalyptic number.

1145231134 is a deficient number, since it is larger than the sum of its proper divisors (674063714).

1145231134 is a wasteful number, since it uses less digits than its factorization.

1145231134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 371679.

The product of its digits is 1440, while the sum is 25.

The square root of 1145231134 is about 33841.2637766381. The cubic root of 1145231134 is about 1046.2393464132.

Adding to 1145231134 its reverse (4311325411), we get a palindrome (5456556545).

The spelling of 1145231134 in words is "one billion, one hundred forty-five million, two hundred thirty-one thousand, one hundred thirty-four".