654189145 has 8 divisors (see below), whose sum is σ = 785507904. Its totient is φ = 523030704.

The previous prime is 654189103. The next prime is 654189167. The reversal of 654189145 is 541981456.

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

It is a cyclic number.

It is not a de Polignac number, because 654189145 - 2¹¹ = 654187097 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30909 + ... + 47578.

It is an arithmetic number, because the mean of its divisors is an integer number (98188488).

Almost surely, 2^654189145 is an apocalyptic number.

It is an amenable number.

654189145 is a deficient number, since it is larger than the sum of its proper divisors (131318759).

654189145 is a wasteful number, since it uses less digits than its factorization.

654189145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80159.

The product of its digits is 172800, while the sum is 43.

The square root of 654189145 is about 25577.1215151354. The cubic root of 654189145 is about 868.0960455104.

The spelling of 654189145 in words is "six hundred fifty-four million, one hundred eighty-nine thousand, one hundred forty-five".