654457945 has 8 divisors (see below), whose sum is σ = 826683840. Its totient is φ = 496010160.

The previous prime is 654457897. The next prime is 654457981. The reversal of 654457945 is 549754456.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 654457945 - 2¹³ = 654449753 is a prime.

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 in 7 ways as a sum of consecutive naturals, for example, 3444421 + ... + 3444610.

It is an arithmetic number, because the mean of its divisors is an integer number (103335480).

Almost surely, 2^654457945 is an apocalyptic number.

It is an amenable number.

654457945 is a deficient number, since it is larger than the sum of its proper divisors (172225895).

654457945 is a wasteful number, since it uses less digits than its factorization.

654457945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6889055.

The product of its digits is 3024000, while the sum is 49.

The square root of 654457945 is about 25582.3756715439. The cubic root of 654457945 is about 868.2149266559.

The spelling of 654457945 in words is "six hundred fifty-four million, four hundred fifty-seven thousand, nine hundred forty-five".