1145622134 has 16 divisors (see below), whose sum is σ = 1815851520. Its totient is φ = 540969000.

The previous prime is 1145622109. The next prime is 1145622139. The reversal of 1145622134 is 4312265411.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1145622097 and 1145622106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1145622139) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 153992 + ... + 161259.

It is an arithmetic number, because the mean of its divisors is an integer number (113490720).

Almost surely, 2^1145622134 is an apocalyptic number.

1145622134 is a deficient number, since it is larger than the sum of its proper divisors (670229386).

1145622134 is a wasteful number, since it uses less digits than its factorization.

1145622134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 315355.

The product of its digits is 5760, while the sum is 29.

The square root of 1145622134 is about 33847.0402546515. The cubic root of 1145622134 is about 1046.3584004119.

Adding to 1145622134 its reverse (4312265411), we get a palindrome (5457887545).

The spelling of 1145622134 in words is "one billion, one hundred forty-five million, six hundred twenty-two thousand, one hundred thirty-four".