1153961545 has 16 divisors (see below), whose sum is σ = 1545774912. Its totient is φ = 819725760.

The previous prime is 1153961521. The next prime is 1153961563. The reversal of 1153961545 is 5451693511.

It is a de Polignac number, because none of the positive numbers 2^k-1153961545 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1153961498 and 1153961507.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 241602 + ... + 246331.

It is an arithmetic number, because the mean of its divisors is an integer number (96610932).

Almost surely, 2^1153961545 is an apocalyptic number.

It is an amenable number.

1153961545 is a deficient number, since it is larger than the sum of its proper divisors (391813367).

1153961545 is a wasteful number, since it uses less digits than its factorization.

1153961545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 487992.

The product of its digits is 81000, while the sum is 40.

The square root of 1153961545 is about 33970.0094936696. The cubic root of 1153961545 is about 1048.8912089790.

The spelling of 1153961545 in words is "one billion, one hundred fifty-three million, nine hundred sixty-one thousand, five hundred forty-five".