1244465152 has 72 divisors (see below), whose sum is σ = 2894812830. Its totient is φ = 533299200.

The previous prime is 1244465149. The next prime is 1244465153. The reversal of 1244465152 is 2515644421.

It can be written as a sum of positive squares in only one way, i.e., 1113957376 + 130507776 = 33376^2 + 11424^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1244465153) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 94152 + ... + 106552.

Almost surely, 2^1244465152 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1244465152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1447406415).

1244465152 is an abundant number, since it is smaller than the sum of its proper divisors (1650347678).

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

1244465152 is an equidigital number, since it uses as much as digits as its factorization.

1244465152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12437 (or 12410 counting only the distinct ones).

The product of its digits is 38400, while the sum is 34.

The square root of 1244465152 is about 35276.9776483190. The cubic root of 1244465152 is about 1075.6250634172.

The spelling of 1244465152 in words is "one billion, two hundred forty-four million, four hundred sixty-five thousand, one hundred fifty-two".