654158 has 4 divisors (see below), whose sum is σ = 981240. Its totient is φ = 327078.

The previous prime is 654149. The next prime is 654161. The reversal of 654158 is 851456.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 654158.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 654158.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 163538 + ... + 163541.

It is an arithmetic number, because the mean of its divisors is an integer number (245310).

2⁶⁵⁴¹⁵⁸ is an apocalyptic number.

654158 is a deficient number, since it is larger than the sum of its proper divisors (327082).

654158 is a wasteful number, since it uses less digits than its factorization.

654158 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 327081.

The product of its digits is 4800, while the sum is 29.

The square root of 654158 is about 808.8003461918. The cubic root of 654158 is about 86.8082269026.

The spelling of 654158 in words is "six hundred fifty-four thousand, one hundred fifty-eight".