1153432254 has 64 divisors (see below), whose sum is σ = 2632875840. Its totient is φ = 334279680.

The previous prime is 1153432253. The next prime is 1153432261. The reversal of 1153432254 is 4522343511.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1153432253) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 86524 + ... + 98960.

It is an arithmetic number, because the mean of its divisors is an integer number (41138685).

Almost surely, 2^1153432254 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1153432254, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1316437920).

1153432254 is an abundant number, since it is smaller than the sum of its proper divisors (1479443586).

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

1153432254 is a wasteful number, since it uses less digits than its factorization.

1153432254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12525.

The product of its digits is 14400, while the sum is 30.

The square root of 1153432254 is about 33962.2180371071. The cubic root of 1153432254 is about 1048.7308184295.

Adding to 1153432254 its reverse (4522343511), we get a palindrome (5675775765).

The spelling of 1153432254 in words is "one billion, one hundred fifty-three million, four hundred thirty-two thousand, two hundred fifty-four".