1144635462 has 48 divisors (see below), whose sum is σ = 2626670592. Its totient is φ = 373419720.

The previous prime is 1144635461. The next prime is 1144635467. The reversal of 1144635462 is 2645364411.

1144635462 is a `hidden beast` number, since 1 + 14 + 4 + 635 + 4 + 6 + 2 = 666.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1144635461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2214 + ... + 47897.

It is an arithmetic number, because the mean of its divisors is an integer number (54722304).

Almost surely, 2^1144635462 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1144635462, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1313335296).

1144635462 is an abundant number, since it is smaller than the sum of its proper divisors (1482035130).

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

1144635462 is an equidigital number, since it uses as much as digits as its factorization.

1144635462 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50175 (or 50163 counting only the distinct ones).

The product of its digits is 69120, while the sum is 36.

The square root of 1144635462 is about 33832.4616603640. The cubic root of 1144635462 is about 1046.0579205716.

Adding to 1144635462 its reverse (2645364411), we get a palindrome (3789999873).

The spelling of 1144635462 in words is "one billion, one hundred forty-four million, six hundred thirty-five thousand, four hundred sixty-two".