1158456 has 64 divisors (see below), whose sum is σ = 3225600. Its totient is φ = 344448.

The previous prime is 1158427. The next prime is 1158457. The reversal of 1158456 is 6548511.

It is a plaindrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1158457) 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, 14625 + ... + 14703.

It is an arithmetic number, because the mean of its divisors is an integer number (50400).

2^1158456 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1158456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1612800).

1158456 is an abundant number, since it is smaller than the sum of its proper divisors (2067144).

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

1158456 is a wasteful number, since it uses less digits than its factorization.

1158456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148 (or 144 counting only the distinct ones).

The product of its digits is 4800, while the sum is 30.

The square root of 1158456 is about 1076.3159387466. The cubic root of 1158456 is about 105.0251187070.

The spelling of 1158456 in words is "one million, one hundred fifty-eight thousand, four hundred fifty-six".