1154745 has 24 divisors (see below), whose sum is σ = 2036736. Its totient is φ = 605088.

The previous prime is 1154737. The next prime is 1154753. The reversal of 1154745 is 5474511.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1154737) and next prime (1154753).

It is not a de Polignac number, because 1154745 - 2³ = 1154737 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2824 + ... + 3206.

It is an arithmetic number, because the mean of its divisors is an integer number (84864).

2^1154745 is an apocalyptic number.

1154745 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1154745 is a deficient number, since it is larger than the sum of its proper divisors (881991).

1154745 is a wasteful number, since it uses less digits than its factorization.

1154745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 461 (or 458 counting only the distinct ones).

The product of its digits is 2800, while the sum is 27.

The square root of 1154745 is about 1074.5906197246. The cubic root of 1154745 is about 104.9128528603.

It can be divided in two parts, 11 and 54745, that added together give a square (54756 = 234²).

The spelling of 1154745 in words is "one million, one hundred fifty-four thousand, seven hundred forty-five".