1155233154 has 32 divisors (see below), whose sum is σ = 2395221120. Its totient is φ = 371008512.

The previous prime is 1155233153. The next prime is 1155233159. The reversal of 1155233154 is 4513325511.

It is not an unprimeable number, because it can be changed into a prime (1155233153) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 77922 + ... + 91554.

It is an arithmetic number, because the mean of its divisors is an integer number (74850660).

Almost surely, 2^1155233154 is an apocalyptic number.

1155233154 is an abundant number, since it is smaller than the sum of its proper divisors (1239987966).

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

1155233154 is a wasteful number, since it uses less digits than its factorization.

1155233154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14154.

The product of its digits is 9000, while the sum is 30.

The square root of 1155233154 is about 33988.7209821141. The cubic root of 1155233154 is about 1049.2763430957.

Adding to 1155233154 its reverse (4513325511), we get a palindrome (5668558665).

The spelling of 1155233154 in words is "one billion, one hundred fifty-five million, two hundred thirty-three thousand, one hundred fifty-four".