1153523245 has 16 divisors (see below), whose sum is σ = 1582593408. Its totient is φ = 790678080.

The previous prime is 1153523243. The next prime is 1153523249. The reversal of 1153523245 is 5423253511.

It is not a de Polignac number, because 1153523245 - 2¹ = 1153523243 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1153523243) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 118410 + ... + 127780.

It is an arithmetic number, because the mean of its divisors is an integer number (98912088).

Almost surely, 2^1153523245 is an apocalyptic number.

It is an amenable number.

1153523245 is a deficient number, since it is larger than the sum of its proper divisors (429070163).

1153523245 is an equidigital number, since it uses as much as digits as its factorization.

1153523245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12900.

The product of its digits is 18000, while the sum is 31.

The square root of 1153523245 is about 33963.5576022301. The cubic root of 1153523245 is about 1048.7583948379.

Adding to 1153523245 its reverse (5423253511), we get a palindrome (6576776756).

The spelling of 1153523245 in words is "one billion, one hundred fifty-three million, five hundred twenty-three thousand, two hundred forty-five".