1145622 has 16 divisors (see below), whose sum is σ = 2347632. Its totient is φ = 372480.

The previous prime is 1145621. The next prime is 1145623. The reversal of 1145622 is 2265411.

It is an interprime number because it is at equal distance from previous prime (1145621) and next prime (1145623).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1145621) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 2083 + ... + 2574.

It is an arithmetic number, because the mean of its divisors is an integer number (146727).

2^1145622 is an apocalyptic number.

1145622 is an abundant number, since it is smaller than the sum of its proper divisors (1202010).

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

1145622 is a wasteful number, since it uses less digits than its factorization.

1145622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4703.

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

The square root of 1145622 is about 1070.3373300040. The cubic root of 1145622 is about 104.6358359615.

The spelling of 1145622 in words is "one million, one hundred forty-five thousand, six hundred twenty-two".