1152240245 has 8 divisors (see below), whose sum is σ = 1489049016. Its totient is φ = 850885056.

The previous prime is 1152240241. The next prime is 1152240247. The reversal of 1152240245 is 5420422511.

It can be written as a sum of positive squares in 4 ways, for example, as 123498769 + 1028741476 = 11113^2 + 32074^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 1152240245 - 2² = 1152240241 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1152240241) 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, 8863322 + ... + 8863451.

It is an arithmetic number, because the mean of its divisors is an integer number (186131127).

Almost surely, 2^1152240245 is an apocalyptic number.

It is an amenable number.

1152240245 is a deficient number, since it is larger than the sum of its proper divisors (336808771).

1152240245 is a wasteful number, since it uses less digits than its factorization.

1152240245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17726791.

The product of its (nonzero) digits is 3200, while the sum is 26.

The square root of 1152240245 is about 33944.6644555518. The cubic root of 1152240245 is about 1048.3694253054.

Adding to 1152240245 its reverse (5420422511), we get a palindrome (6572662756).

The spelling of 1152240245 in words is "one billion, one hundred fifty-two million, two hundred forty thousand, two hundred forty-five".