1145395048 has 64 divisors (see below), whose sum is σ = 2504661120. Its totient is φ = 480902400.

The previous prime is 1145395021. The next prime is 1145395057. The reversal of 1145395048 is 8405935411.

It is a self number, because there is not a number n which added to its sum of digits gives 1145395048.

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 15 ways as a sum of consecutive naturals, for example, 1130190 + ... + 1131202.

It is an arithmetic number, because the mean of its divisors is an integer number (39135330).

Almost surely, 2^1145395048 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1145395048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1252330560).

1145395048 is an abundant number, since it is smaller than the sum of its proper divisors (1359266072).

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

1145395048 is a wasteful number, since it uses less digits than its factorization.

1145395048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1418 (or 1414 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 40.

The square root of 1145395048 is about 33843.6854967068. The cubic root of 1145395048 is about 1046.2892592183.

The spelling of 1145395048 in words is "one billion, one hundred forty-five million, three hundred ninety-five thousand, forty-eight".