1145854885 has 8 divisors (see below), whose sum is σ = 1571458176. Its totient is φ = 785729040.

The previous prime is 1145854883. The next prime is 1145854901. The reversal of 1145854885 is 5884585411.

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 1145854885 - 2¹ = 1145854883 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1145854883) 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, 16369321 + ... + 16369390.

It is an arithmetic number, because the mean of its divisors is an integer number (196432272).

Almost surely, 2^1145854885 is an apocalyptic number.

It is an amenable number.

1145854885 is a deficient number, since it is larger than the sum of its proper divisors (425603291).

1145854885 is an equidigital number, since it uses as much as digits as its factorization.

1145854885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32738723.

The product of its digits is 1024000, while the sum is 49.

The square root of 1145854885 is about 33850.4783570336. The cubic root of 1145854885 is about 1046.4292569551.

The spelling of 1145854885 in words is "one billion, one hundred forty-five million, eight hundred fifty-four thousand, eight hundred eighty-five".