1158454 has 12 divisors (see below), whose sum is σ = 1910412. Its totient is φ = 526460.

The previous prime is 1158427. The next prime is 1158457. The reversal of 1158454 is 4548511.

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 pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2152 + ... + 2635.

It is an arithmetic number, because the mean of its divisors is an integer number (159201).

2^1158454 is an apocalyptic number.

1158454 is a deficient number, since it is larger than the sum of its proper divisors (751958).

1158454 is a wasteful number, since it uses less digits than its factorization.

1158454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4811 (or 4800 counting only the distinct ones).

The product of its digits is 3200, while the sum is 28.

The square root of 1158454 is about 1076.3150096510. The cubic root of 1158454 is about 105.0250582673.

The spelling of 1158454 in words is "one million, one hundred fifty-eight thousand, four hundred fifty-four".