1149800046 has 16 divisors (see below), whose sum is σ = 2299934208. Its totient is φ = 383211000.

The previous prime is 1149800027. The next prime is 1149800051. The reversal of 1149800046 is 6400089411.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67011 + ... + 82401.

It is an arithmetic number, because the mean of its divisors is an integer number (143745888).

Almost surely, 2^1149800046 is an apocalyptic number.

1149800046 is an abundant number, since it is smaller than the sum of its proper divisors (1150134162).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1149800046 is a wasteful number, since it uses less digits than its factorization.

1149800046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27847.

The product of its (nonzero) digits is 6912, while the sum is 33.

The square root of 1149800046 is about 33908.7016265737. The cubic root of 1149800046 is about 1047.6288279949.

Adding to 1149800046 its reverse (6400089411), we get a palindrome (7549889457).

The spelling of 1149800046 in words is "one billion, one hundred forty-nine million, eight hundred thousand, forty-six".