1145046 has 32 divisors (see below), whose sum is σ = 2649600. Its totient is φ = 323136.

The previous prime is 1145021. The next prime is 1145057. The reversal of 1145046 is 6405411.

It is a super-2 number, since 2×1145046² = 2622260684232, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

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 15 ways as a sum of consecutive naturals, for example, 5655 + ... + 5853.

It is an arithmetic number, because the mean of its divisors is an integer number (82800).

2^1145046 is an apocalyptic number.

1145046 is an abundant number, since it is smaller than the sum of its proper divisors (1504554).

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

1145046 is a wasteful number, since it uses less digits than its factorization.

1145046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 348.

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 1145046 is about 1070.0682221242. The cubic root of 1145046 is about 104.6182966262.

The spelling of 1145046 in words is "one million, one hundred forty-five thousand, forty-six".