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144068137 = 416475431
BaseRepresentation
bin10001001011001…
…00111000101001
3101001002102022221
420211210320221
5243340140022
622143514041
73366362503
oct1045447051
9331072287
10144068137
1174360584
12402b8921
1323b02c25
14151c2d73
15c9abcc7
hex8964e29

144068137 has 8 divisors (see below), whose sum is σ = 147837312. Its totient is φ = 140311200.

The previous prime is 144068123. The next prime is 144068161. The reversal of 144068137 is 731860441.

It is a happy number.

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 144068137 - 27 = 144068009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (144068237) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23812 + ... + 29242.

It is an arithmetic number, because the mean of its divisors is an integer number (18479664).

Almost surely, 2144068137 is an apocalyptic number.

It is an amenable number.

144068137 is a deficient number, since it is larger than the sum of its proper divisors (3769175).

144068137 is an equidigital number, since it uses as much as digits as its factorization.

144068137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6119.

The product of its (nonzero) digits is 16128, while the sum is 34.

The square root of 144068137 is about 12002.8387059062. The cubic root of 144068137 is about 524.2309368506.

The spelling of 144068137 in words is "one hundred forty-four million, sixty-eight thousand, one hundred thirty-seven".

Divisors: 1 41 647 5431 26527 222671 3513857 144068137