654557154 has 16 divisors (see below), whose sum is σ = 1386121248. Its totient is φ = 205351232.

The previous prime is 654557147. The next prime is 654557159. The reversal of 654557154 is 451755456.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (654557159) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3208512 + ... + 3208715.

It is an arithmetic number, because the mean of its divisors is an integer number (86632578).

Almost surely, 2^654557154 is an apocalyptic number.

654557154 is an abundant number, since it is smaller than the sum of its proper divisors (731564094).

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

654557154 is a wasteful number, since it uses less digits than its factorization.

654557154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6417249.

The product of its digits is 420000, while the sum is 42.

The square root of 654557154 is about 25584.3146087598. The cubic root of 654557154 is about 868.2587952157.

The spelling of 654557154 in words is "six hundred fifty-four million, five hundred fifty-seven thousand, one hundred fifty-four".