1145530 has 8 divisors (see below), whose sum is σ = 2061972. Its totient is φ = 458208.

The previous prime is 1145509. The next prime is 1145533. The reversal of 1145530 is 355411.

It can be written as a sum of positive squares in 2 ways, for example, as 1018081 + 127449 = 1009^2 + 357^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 1145498 and 1145507.

It is not an unprimeable number, because it can be changed into a prime (1145533) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57267 + ... + 57286.

2^1145530 is an apocalyptic number.

1145530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1145530 is a deficient number, since it is larger than the sum of its proper divisors (916442).

1145530 is a wasteful number, since it uses less digits than its factorization.

1145530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114560.

The product of its (nonzero) digits is 300, while the sum is 19.

The square root of 1145530 is about 1070.2943520359. The cubic root of 1145530 is about 104.6330349345.

The spelling of 1145530 in words is "one million, one hundred forty-five thousand, five hundred thirty".