1146849945 has 8 divisors (see below), whose sum is σ = 1834959936. Its totient is φ = 611653296.

The previous prime is 1146849919. The next prime is 1146849973. The reversal of 1146849945 is 5499486411.

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

It is not a de Polignac number, because 1146849945 - 2¹⁰ = 1146848921 is a prime.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38228317 + ... + 38228346.

It is an arithmetic number, because the mean of its divisors is an integer number (229369992).

Almost surely, 2^1146849945 is an apocalyptic number.

1146849945 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1146849945 is a deficient number, since it is larger than the sum of its proper divisors (688109991).

1146849945 is an equidigital number, since it uses as much as digits as its factorization.

1146849945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76456671.

The product of its digits is 1244160, while the sum is 51.

The square root of 1146849945 is about 33865.1730395697. The cubic root of 1146849945 is about 1046.7320755888.

The spelling of 1146849945 in words is "one billion, one hundred forty-six million, eight hundred forty-nine thousand, nine hundred forty-five".