1153243254 has 16 divisors (see below), whose sum is σ = 2307091248. Its totient is φ = 384313632.

The previous prime is 1153243243. The next prime is 1153243291. The reversal of 1153243254 is 4523423511.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1824 + ... + 48060.

It is an arithmetic number, because the mean of its divisors is an integer number (144193203).

Almost surely, 2^1153243254 is an apocalyptic number.

1153243254 is an abundant number, since it is smaller than the sum of its proper divisors (1153847994).

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

1153243254 is a wasteful number, since it uses less digits than its factorization.

1153243254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50399.

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

The square root of 1153243254 is about 33959.4354193352. The cubic root of 1153243254 is about 1048.6735340503.

Adding to 1153243254 its reverse (4523423511), we get a palindrome (5676666765).

The spelling of 1153243254 in words is "one billion, one hundred fifty-three million, two hundred forty-three thousand, two hundred fifty-four".