1145590 has 16 divisors (see below), whose sum is σ = 2082960. Its totient is φ = 453600.

The previous prime is 1145539. The next prime is 1145593. The reversal of 1145590 is 955411.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1145593) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 565 + ... + 1615.

It is an arithmetic number, because the mean of its divisors is an integer number (130185).

2^1145590 is an apocalyptic number.

1145590 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1145590 is a deficient number, since it is larger than the sum of its proper divisors (937370).

1145590 is a wasteful number, since it uses less digits than its factorization.

1145590 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1167.

The product of its (nonzero) digits is 900, while the sum is 25.

The square root of 1145590 is about 1070.3223813412. The cubic root of 1145590 is about 104.6348617083.

The spelling of 1145590 in words is "one million, one hundred forty-five thousand, five hundred ninety".