1153120145 has 8 divisors (see below), whose sum is σ = 1385651904. Its totient is φ = 921224304.

The previous prime is 1153120141. The next prime is 1153120147. The reversal of 1153120145 is 5410213511.

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 1153120145 - 2² = 1153120141 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1153120145.

It is not an unprimeable number, because it can be changed into a prime (1153120141) 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, 154979 + ... + 162248.

It is an arithmetic number, because the mean of its divisors is an integer number (173206488).

Almost surely, 2^1153120145 is an apocalyptic number.

It is an amenable number.

1153120145 is a deficient number, since it is larger than the sum of its proper divisors (232531759).

1153120145 is an equidigital number, since it uses as much as digits as its factorization.

1153120145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 317959.

The product of its (nonzero) digits is 600, while the sum is 23.

The square root of 1153120145 is about 33957.6227819322. The cubic root of 1153120145 is about 1048.6362173368.

Adding to 1153120145 its reverse (5410213511), we get a palindrome (6563333656).

The spelling of 1153120145 in words is "one billion, one hundred fifty-three million, one hundred twenty thousand, one hundred forty-five".