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145963618 = 2330122109
BaseRepresentation
bin10001011001100…
…11101001100010
3101011122201102221
420230303221202
5244331313433
622252301254
73421445623
oct1054635142
9334581387
10145963618
1175435699
1240a7182a
1324317908
1415557a4a
15cc3372d
hex8b33a62

145963618 has 8 divisors (see below), whose sum is σ = 219021660. Its totient is φ = 72956400.

The previous prime is 145963613. The next prime is 145963619. The reversal of 145963618 is 816369541.

It can be written as a sum of positive squares in 2 ways, for example, as 126630009 + 19333609 = 11253^2 + 4397^2 .

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

It is not an unprimeable number, because it can be changed into a prime (145963613) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 4453 + ... + 17656.

Almost surely, 2145963618 is an apocalyptic number.

145963618 is a deficient number, since it is larger than the sum of its proper divisors (73058042).

145963618 is a wasteful number, since it uses less digits than its factorization.

145963618 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25412.

The product of its digits is 155520, while the sum is 43.

The square root of 145963618 is about 12081.5403819215. The cubic root of 145963618 is about 526.5200007313.

The spelling of 145963618 in words is "one hundred forty-five million, nine hundred sixty-three thousand, six hundred eighteen".

Divisors: 1 2 3301 6602 22109 44218 72981809 145963618