1154945 has 24 divisors (see below), whose sum is σ = 1608768. Its totient is φ = 793760.

The previous prime is 1154927. The next prime is 1154947. The reversal of 1154945 is 5494511.

It is not a de Polignac number, because 1154945 - 2¹⁰ = 1153921 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1154947) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13874 + ... + 13956.

It is an arithmetic number, because the mean of its divisors is an integer number (67032).

2^1154945 is an apocalyptic number.

It is an amenable number.

1154945 is a deficient number, since it is larger than the sum of its proper divisors (453823).

1154945 is a wasteful number, since it uses less digits than its factorization.

1154945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133 (or 122 counting only the distinct ones).

The product of its digits is 3600, while the sum is 29.

The square root of 1154945 is about 1074.6836743898. The cubic root of 1154945 is about 104.9189094238.

The spelling of 1154945 in words is "one million, one hundred fifty-four thousand, nine hundred forty-five".