1154140233 has 8 divisors (see below), whose sum is σ = 1539715296. Its totient is φ = 768996000.

The previous prime is 1154140177. The next prime is 1154140307. The reversal of 1154140233 is 3320414511.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1154140233 - 2¹⁰ = 1154139209 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1154140033) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 101403 + ... + 112208.

It is an arithmetic number, because the mean of its divisors is an integer number (192464412).

Almost surely, 2^1154140233 is an apocalyptic number.

It is an amenable number.

1154140233 is a deficient number, since it is larger than the sum of its proper divisors (385575063).

1154140233 is a wasteful number, since it uses less digits than its factorization.

1154140233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 215415.

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 1154140233 is about 33972.6394764964. The cubic root of 1154140233 is about 1048.9453455603.

Adding to 1154140233 its reverse (3320414511), we get a palindrome (4474554744).

The spelling of 1154140233 in words is "one billion, one hundred fifty-four million, one hundred forty thousand, two hundred thirty-three".