1148045 has 16 divisors (see below), whose sum is σ = 1468800. Its totient is φ = 859584.

The previous prime is 1148039. The next prime is 1148047. The reversal of 1148045 is 5408411.

It is a cyclic number.

It is not a de Polignac number, because 1148045 - 2⁴ = 1148029 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a self number, because there is not a number n which added to its sum of digits gives 1148045.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1148047) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7631 + ... + 7779.

It is an arithmetic number, because the mean of its divisors is an integer number (91800).

2^1148045 is an apocalyptic number.

It is an amenable number.

1148045 is a deficient number, since it is larger than the sum of its proper divisors (320755).

1148045 is a wasteful number, since it uses less digits than its factorization.

1148045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244.

The product of its (nonzero) digits is 640, while the sum is 23.

The square root of 1148045 is about 1071.4686182992. The cubic root of 1148045 is about 104.7095525682.

The spelling of 1148045 in words is "one million, one hundred forty-eight thousand, forty-five".