1145649999 has 8 divisors (see below), whose sum is σ = 1645035952. Its totient is φ = 705015360.

The previous prime is 1145649997. The next prime is 1145650007. The reversal of 1145649999 is 9999465411.

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

It is not a de Polignac number, because 1145649999 - 2¹ = 1145649997 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 (1145649997) 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, 14687782 + ... + 14687859.

It is an arithmetic number, because the mean of its divisors is an integer number (205629494).

Almost surely, 2^1145649999 is an apocalyptic number.

1145649999 is a deficient number, since it is larger than the sum of its proper divisors (499385953).

1145649999 is a wasteful number, since it uses less digits than its factorization.

1145649999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29375657.

The product of its digits is 3149280, while the sum is 57.

The square root of 1145649999 is about 33847.4518834136. The cubic root of 1145649999 is about 1046.3668838782.

It can be divided in two parts, 114 and 5649999, that multiplied together give a triangular number (644099886 = T₃₅₈₉₁).

The spelling of 1145649999 in words is "one billion, one hundred forty-five million, six hundred forty-nine thousand, nine hundred ninety-nine".