9145159984 has 20 divisors (see below), whose sum is σ = 18095743584. Its totient is φ = 4475290688.

The previous prime is 9145159981. The next prime is 9145159993. The reversal of 9145159984 is 4899515419.

It is a happy number.

It is a super-2 number, since 2×9145159984² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (9145159981) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6079807 + ... + 6081310.

Almost surely, 2^9145159984 is an apocalyptic number.

9145159984 is a gapful number since it is divisible by the number (94) formed by its first and last digit.

It is an amenable number.

9145159984 is a deficient number, since it is larger than the sum of its proper divisors (8950583600).

9145159984 is a wasteful number, since it uses less digits than its factorization.

9145159984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12161172 (or 12161166 counting only the distinct ones).

The product of its digits is 2332800, while the sum is 55.

The square root of 9145159984 is about 95630.3298331654. The cubic root of 9145159984 is about 2091.2073778894.

The spelling of 9145159984 in words is "nine billion, one hundred forty-five million, one hundred fifty-nine thousand, nine hundred eighty-four".