1145264562 has 64 divisors (see below), whose sum is σ = 2807723520. Its totient is φ = 343785600.

The previous prime is 1145264531. The next prime is 1145264587. The reversal of 1145264562 is 2654625411.

1145264562 is a `hidden beast` number, since 1 + 1 + 4 + 5 + 2 + 645 + 6 + 2 = 666.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8887 + ... + 48677.

It is an arithmetic number, because the mean of its divisors is an integer number (43870680).

Almost surely, 2^1145264562 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1145264562, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1403861760).

1145264562 is an abundant number, since it is smaller than the sum of its proper divisors (1662458958).

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

1145264562 is a wasteful number, since it uses less digits than its factorization.

1145264562 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39856 (or 39850 counting only the distinct ones).

The product of its digits is 57600, while the sum is 36.

The square root of 1145264562 is about 33841.7576671189. The cubic root of 1145264562 is about 1046.2495258281.

Adding to 1145264562 its reverse (2654625411), we get a palindrome (3799889973).

The spelling of 1145264562 in words is "one billion, one hundred forty-five million, two hundred sixty-four thousand, five hundred sixty-two".