1145655446 has 16 divisors (see below), whose sum is σ = 1851386544. Its totient is φ = 528560544.

The previous prime is 1145655439. The next prime is 1145655479. The reversal of 1145655446 is 6445565411.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 76400 + ... + 90156.

It is an arithmetic number, because the mean of its divisors is an integer number (115711659).

Almost surely, 2^1145655446 is an apocalyptic number.

1145655446 is a deficient number, since it is larger than the sum of its proper divisors (705731098).

1145655446 is a wasteful number, since it uses less digits than its factorization.

1145655446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16975.

The product of its digits is 288000, while the sum is 41.

The square root of 1145655446 is about 33847.5323472775. The cubic root of 1145655446 is about 1046.3685421949.

The spelling of 1145655446 in words is "one billion, one hundred forty-five million, six hundred fifty-five thousand, four hundred forty-six".