1243444152 has 16 divisors (see below), whose sum is σ = 3108610440. Its totient is φ = 414481376.

The previous prime is 1243444133. The next prime is 1243444157. The reversal of 1243444152 is 2514443421.

1243444152 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1243444157) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25905063 + ... + 25905110.

Almost surely, 2^1243444152 is an apocalyptic number.

1243444152 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1243444152 is an abundant number, since it is smaller than the sum of its proper divisors (1865166288).

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

1243444152 is a wasteful number, since it uses less digits than its factorization.

1243444152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51810182 (or 51810178 counting only the distinct ones).

The product of its digits is 15360, while the sum is 30.

The square root of 1243444152 is about 35262.5034845798. The cubic root of 1243444152 is about 1075.3308235821.

Adding to 1243444152 its reverse (2514443421), we get a palindrome (3757887573).

The spelling of 1243444152 in words is "one billion, two hundred forty-three million, four hundred forty-four thousand, one hundred fifty-two".