1149846465 has 16 divisors (see below), whose sum is σ = 1936584000. Its totient is φ = 580974912.

The previous prime is 1149846449. The next prime is 1149846469. The reversal of 1149846465 is 5646489411.

It is not a de Polignac number, because 1149846465 - 2⁴ = 1149846449 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1149846469) by changing a digit.

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, 2016990 + ... + 2017559.

It is an arithmetic number, because the mean of its divisors is an integer number (121036500).

Almost surely, 2^1149846465 is an apocalyptic number.

1149846465 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1149846465 is a deficient number, since it is larger than the sum of its proper divisors (786737535).

1149846465 is a wasteful number, since it uses less digits than its factorization.

1149846465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4034576.

The product of its digits is 829440, while the sum is 48.

The square root of 1149846465 is about 33909.3860899899. The cubic root of 1149846465 is about 1047.6429258746.

The spelling of 1149846465 in words is "one billion, one hundred forty-nine million, eight hundred forty-six thousand, four hundred sixty-five".