1142946 has 48 divisors (see below), whose sum is σ = 2905344. Its totient is φ = 317952.

The previous prime is 1142941. The next prime is 1142959. The reversal of 1142946 is 6492411.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1142941) 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, 5826 + ... + 6018.

It is an arithmetic number, because the mean of its divisors is an integer number (60528).

2^1142946 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1142946, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1452672).

1142946 is an abundant number, since it is smaller than the sum of its proper divisors (1762398).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1142946 is a wasteful number, since it uses less digits than its factorization.

1142946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 255 (or 252 counting only the distinct ones).

The product of its digits is 1728, while the sum is 27.

The square root of 1142946 is about 1069.0865259650. The cubic root of 1142946 is about 104.5543012735.

The spelling of 1142946 in words is "one million, one hundred forty-two thousand, nine hundred forty-six".