1153325145 has 32 divisors (see below), whose sum is σ = 2157990912. Its totient is φ = 514971072.

The previous prime is 1153325143. The next prime is 1153325153. The reversal of 1153325145 is 5415233511.

It is not a de Polignac number, because 1153325145 - 2¹ = 1153325143 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1153325141) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 123207 + ... + 132236.

It is an arithmetic number, because the mean of its divisors is an integer number (67437216).

Almost surely, 2^1153325145 is an apocalyptic number.

1153325145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1153325145 is a deficient number, since it is larger than the sum of its proper divisors (1004665767).

1153325145 is a wasteful number, since it uses less digits than its factorization.

1153325145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 255501.

The product of its digits is 9000, while the sum is 30.

The square root of 1153325145 is about 33960.6411158565. The cubic root of 1153325145 is about 1048.6983553218.

Adding to 1153325145 its reverse (5415233511), we get a palindrome (6568558656).

The spelling of 1153325145 in words is "one billion, one hundred fifty-three million, three hundred twenty-five thousand, one hundred forty-five".