1181148545 has 8 divisors (see below), whose sum is σ = 1437341760. Its totient is φ = 931609840.

The previous prime is 1181148481. The next prime is 1181148557. The reversal of 1181148545 is 5458411811.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1181148545 - 2⁶ = 1181148481 is a prime.

It is a super-2 number, since 2×1181148545² = 2790223770711234050, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1181148499 and 1181148508.

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, 1663235 + ... + 1663944.

It is an arithmetic number, because the mean of its divisors is an integer number (179667720).

Almost surely, 2^1181148545 is an apocalyptic number.

It is an amenable number.

1181148545 is a deficient number, since it is larger than the sum of its proper divisors (256193215).

1181148545 is an equidigital number, since it uses as much as digits as its factorization.

1181148545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3327255.

The product of its digits is 25600, while the sum is 38.

The square root of 1181148545 is about 34367.8417274056. The cubic root of 1181148545 is about 1057.0645450832.

The spelling of 1181148545 in words is "one billion, one hundred eighty-one million, one hundred forty-eight thousand, five hundred forty-five".