1154234448 has 140 divisors (see below), whose sum is σ = 3550802868. Its totient is φ = 362050560.

The previous prime is 1154234407. The next prime is 1154234467. The reversal of 1154234448 is 8444324511.

It can be written as a sum of positive squares in 2 ways, for example, as 954068544 + 200165904 = 30888^2 + 14148^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

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 27 ways as a sum of consecutive naturals, for example, 195378 + ... + 201198.

Almost surely, 2^1154234448 is an apocalyptic number.

1154234448 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1154234448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1775401434).

1154234448 is an abundant number, since it is smaller than the sum of its proper divisors (2396568420).

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

1154234448 is an equidigital number, since it uses as much as digits as its factorization.

1154234448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5864 (or 5843 counting only the distinct ones).

The product of its digits is 61440, while the sum is 36.

The square root of 1154234448 is about 33974.0260787561. The cubic root of 1154234448 is about 1048.9738873538.

Adding to 1154234448 its reverse (8444324511), we get a palindrome (9598558959).

The spelling of 1154234448 in words is "one billion, one hundred fifty-four million, two hundred thirty-four thousand, four hundred forty-eight".