654344145 has 48 divisors (see below), whose sum is σ = 1395942912. Its totient is φ = 276117120.

The previous prime is 654344143. The next prime is 654344147. The reversal of 654344145 is 541443456.

654344145 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (654344143) and next prime (654344147).

It is not a de Polignac number, because 654344145 - 2¹ = 654344143 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (654344143) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 75801 + ... + 83990.

It is an arithmetic number, because the mean of its divisors is an integer number (29082144).

Almost surely, 2^654344145 is an apocalyptic number.

654344145 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

It is an amenable number.

654344145 is an abundant number, since it is smaller than the sum of its proper divisors (741598767).

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

654344145 is a wasteful number, since it uses less digits than its factorization.

654344145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159822 (or 159819 counting only the distinct ones).

The product of its digits is 115200, while the sum is 36.

The square root of 654344145 is about 25580.1513873550. The cubic root of 654344145 is about 868.1646007402.

The spelling of 654344145 in words is "six hundred fifty-four million, three hundred forty-four thousand, one hundred forty-five".