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144316764 = 22324008799
BaseRepresentation
bin10001001101000…
…01100101011100
3101001120001101100
420212201211130
5243421114024
622153113100
73401446404
oct1046414534
9331501340
10144316764
1174510359
12403b8790
1323b8c147
1415249804
15ca0a7c9
hex89a195c

144316764 has 18 divisors (see below), whose sum is σ = 364800800. Its totient is φ = 48105576.

The previous prime is 144316741. The next prime is 144316769. The reversal of 144316764 is 467613441.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 4008799 = 144316764 / (1 + 4 + 4 + 3 + 1 + 6 + 7 + 6 + 4).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144316769) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2004364 + ... + 2004435.

Almost surely, 2144316764 is an apocalyptic number.

It is an amenable number.

144316764 is an abundant number, since it is smaller than the sum of its proper divisors (220484036).

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

144316764 is a wasteful number, since it uses less digits than its factorization.

144316764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4008809 (or 4008804 counting only the distinct ones).

The product of its digits is 48384, while the sum is 36.

The square root of 144316764 is about 12013.1912496222. The cubic root of 144316764 is about 524.5323290999.

The spelling of 144316764 in words is "one hundred forty-four million, three hundred sixteen thousand, seven hundred sixty-four".

Divisors: 1 2 3 4 6 9 12 18 36 4008799 8017598 12026397 16035196 24052794 36079191 48105588 72158382 144316764