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144615045 = 3582111743
BaseRepresentation
bin10001001111010…
…10011010000101
3101002010012112210
420213222122011
5244010140140
622203334033
73404131131
oct1047523205
9332105483
10144615045
11746a4473
1240521319
1323c64b43
14152c63c1
15ca68d80
hex89ea685

144615045 has 16 divisors (see below), whose sum is σ = 231685632. Its totient is φ = 77027520.

The previous prime is 144615043. The next prime is 144615047. The reversal of 144615045 is 540516441.

It is an interprime number because it is at equal distance from previous prime (144615043) and next prime (144615047).

It is not a de Polignac number, because 144615045 - 21 = 144615043 is a prime.

It is a super-2 number, since 2×1446150452 = 41827022480704050, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144615041) 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 15 ways as a sum of consecutive naturals, for example, 6444 + ... + 18186.

It is an arithmetic number, because the mean of its divisors is an integer number (14480352).

Almost surely, 2144615045 is an apocalyptic number.

144615045 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

144615045 is a deficient number, since it is larger than the sum of its proper divisors (87070587).

144615045 is a wasteful number, since it uses less digits than its factorization.

144615045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12572.

The product of its (nonzero) digits is 9600, while the sum is 30.

The square root of 144615045 is about 12025.5995692523. The cubic root of 144615045 is about 524.8934568377.

The spelling of 144615045 in words is "one hundred forty-four million, six hundred fifteen thousand, forty-five".

Divisors: 1 3 5 15 821 2463 4105 11743 12315 35229 58715 176145 9641003 28923009 48205015 144615045