1153023245 has 8 divisors (see below), whose sum is σ = 1509412320. Its totient is φ = 838562320.

The previous prime is 1153023241. The next prime is 1153023251. The reversal of 1153023245 is 5423203511.

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 1153023245 - 2² = 1153023241 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1153023241) 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, 10481975 + ... + 10482084.

It is an arithmetic number, because the mean of its divisors is an integer number (188676540).

Almost surely, 2^1153023245 is an apocalyptic number.

It is an amenable number.

1153023245 is a deficient number, since it is larger than the sum of its proper divisors (356389075).

1153023245 is a wasteful number, since it uses less digits than its factorization.

1153023245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20964075.

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 1153023245 is about 33956.1959736364. The cubic root of 1153023245 is about 1048.6068432089.

Adding to 1153023245 its reverse (5423203511), we get a palindrome (6576226756).

The spelling of 1153023245 in words is "one billion, one hundred fifty-three million, twenty-three thousand, two hundred forty-five".