1154355245 has 4 divisors (see below), whose sum is σ = 1385226300. Its totient is φ = 923484192.

The previous prime is 1154355227. The next prime is 1154355259. The reversal of 1154355245 is 5425534511.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 314920516 + 839434729 = 17746^2 + 28973^2 .

It is a cyclic number.

It is not a de Polignac number, because 1154355245 - 2⁸ = 1154354989 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 115435520 + ... + 115435529.

It is an arithmetic number, because the mean of its divisors is an integer number (346306575).

Almost surely, 2^1154355245 is an apocalyptic number.

It is an amenable number.

1154355245 is a deficient number, since it is larger than the sum of its proper divisors (230871055).

1154355245 is an equidigital number, since it uses as much as digits as its factorization.

1154355245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 230871054.

The product of its digits is 60000, while the sum is 35.

The square root of 1154355245 is about 33975.8038168341. The cubic root of 1154355245 is about 1049.0104797113.

Adding to 1154355245 its reverse (5425534511), we get a palindrome (6579889756).

The spelling of 1154355245 in words is "one billion, one hundred fifty-four million, three hundred fifty-five thousand, two hundred forty-five".