1153625545 has 8 divisors (see below), whose sum is σ = 1401874560. Its totient is φ = 911217840.

The previous prime is 1153625521. The next prime is 1153625573. The reversal of 1153625545 is 5455263511.

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 1153625545 - 2¹⁷ = 1153494473 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1459891 + ... + 1460680.

It is an arithmetic number, because the mean of its divisors is an integer number (175234320).

Almost surely, 2^1153625545 is an apocalyptic number.

It is an amenable number.

1153625545 is a deficient number, since it is larger than the sum of its proper divisors (248249015).

1153625545 is an equidigital number, since it uses as much as digits as its factorization.

1153625545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2920655.

The product of its digits is 90000, while the sum is 37.

The square root of 1153625545 is about 33965.0635948175. The cubic root of 1153625545 is about 1048.7893969042.

The spelling of 1153625545 in words is "one billion, one hundred fifty-three million, six hundred twenty-five thousand, five hundred forty-five".