1145258046 has 24 divisors (see below), whose sum is σ = 2482183704. Its totient is φ = 381630960.

The previous prime is 1145258039. The next prime is 1145258063. The reversal of 1145258046 is 6408525411.

It is a happy number.

1145258046 is a `hidden beast` number, since 1 + 14 + 525 + 80 + 46 = 666.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1145258046.

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 11 ways as a sum of consecutive naturals, for example, 61581 + ... + 77991.

It is an arithmetic number, because the mean of its divisors is an integer number (103424321).

Almost surely, 2^1145258046 is an apocalyptic number.

1145258046 is an abundant number, since it is smaller than the sum of its proper divisors (1336925658).

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

1145258046 is a wasteful number, since it uses less digits than its factorization.

1145258046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20296 (or 20293 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 36.

The square root of 1145258046 is about 33841.6613953866. The cubic root of 1145258046 is about 1046.2475416068.

The spelling of 1145258046 in words is "one billion, one hundred forty-five million, two hundred fifty-eight thousand, forty-six".