1154230225 has 6 divisors (see below), whose sum is σ = 1431245510. Its totient is φ = 923384160.

The previous prime is 1154230213. The next prime is 1154230279. The reversal of 1154230225 is 5220324511.

It can be written as a sum of positive squares in 3 ways, for example, as 82519056 + 1071711169 = 9084^2 + 32737^2 .

It is not a de Polignac number, because 1154230225 - 2⁵ = 1154230193 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25), and also a Moran number because the ratio is a prime number: 46169209 = 1154230225 / (1 + 1 + 5 + 4 + 2 + 3 + 0 + 2 + 2 + 5).

It is a self number, because there is not a number n which added to its sum of digits gives 1154230225.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 23084580 + ... + 23084629.

Almost surely, 2^1154230225 is an apocalyptic number.

It is an amenable number.

1154230225 is a deficient number, since it is larger than the sum of its proper divisors (277015285).

1154230225 is an equidigital number, since it uses as much as digits as its factorization.

1154230225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46169219 (or 46169214 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 1154230225 is about 33973.9639282790. The cubic root of 1154230225 is about 1048.9726080580.

Adding to 1154230225 its reverse (5220324511), we get a palindrome (6374554736).

The spelling of 1154230225 in words is "one billion, one hundred fifty-four million, two hundred thirty thousand, two hundred twenty-five".