1145467 has 4 divisors (see below), whose sum is σ = 1147896. Its totient is φ = 1143040.

The previous prime is 1145461. The next prime is 1145479. The reversal of 1145467 is 7645411.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1145467 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1145461) 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 3 ways as a sum of consecutive naturals, for example, 253 + ... + 1534.

It is an arithmetic number, because the mean of its divisors is an integer number (286974).

2^1145467 is an apocalyptic number.

1145467 is a deficient number, since it is larger than the sum of its proper divisors (2429).

1145467 is an equidigital number, since it uses as much as digits as its factorization.

1145467 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2428.

The product of its digits is 3360, while the sum is 28.

The square root of 1145467 is about 1070.2649204753. The cubic root of 1145467 is about 104.6311167534.

The spelling of 1145467 in words is "one million, one hundred forty-five thousand, four hundred sixty-seven".