1145425040 has 20 divisors (see below), whose sum is σ = 2663113404. Its totient is φ = 458169984.

The previous prime is 1145425009. The next prime is 1145425063. The reversal of 1145425040 is 405245411.

It can be written as a sum of positive squares in 2 ways, for example, as 896164096 + 249260944 = 29936^2 + 15788^2 .

It is a tau number, because it is divible by the number of its divisors (20).

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 3 ways as a sum of consecutive naturals, for example, 7158827 + ... + 7158986.

Almost surely, 2^1145425040 is an apocalyptic number.

1145425040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1145425040 is an abundant number, since it is smaller than the sum of its proper divisors (1517688364).

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

1145425040 is a wasteful number, since it uses less digits than its factorization.

1145425040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14317826 (or 14317820 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 26.

The square root of 1145425040 is about 33844.1285897569. The cubic root of 1145425040 is about 1046.2983914484.

The spelling of 1145425040 in words is "one billion, one hundred forty-five million, four hundred twenty-five thousand, forty".