1154223245 has 32 divisors (see below), whose sum is σ = 1690979328. Its totient is φ = 738275328.

The previous prime is 1154223233. The next prime is 1154223281. The reversal of 1154223245 is 5423224511.

It is not a de Polignac number, because 1154223245 - 2¹⁸ = 1153961101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 58652 + ... + 75818.

It is an arithmetic number, because the mean of its divisors is an integer number (52843104).

Almost surely, 2^1154223245 is an apocalyptic number.

It is an amenable number.

1154223245 is a deficient number, since it is larger than the sum of its proper divisors (536756083).

1154223245 is a wasteful number, since it uses less digits than its factorization.

1154223245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17309.

The product of its digits is 9600, while the sum is 29.

The square root of 1154223245 is about 33973.8612024009. The cubic root of 1154223245 is about 1048.9704935625.

Adding to 1154223245 its reverse (5423224511), we get a palindrome (6577447756).

The spelling of 1154223245 in words is "one billion, one hundred fifty-four million, two hundred twenty-three thousand, two hundred forty-five".